[{"year":"2026","acknowledgement":"European Union ERC (101071779 (GRAVITES)); European Union Horizon 2020 Research and Innovation Programme (899368 (EPIQUS)); European Union Horizon 2020 Research and Innovation Programme Marie Sklodowska-Curie (956071 (AppQInfo)); European Union HORIZON Europe Research and Innovation Programme (101135288 (EPIQUE)); FWF Austrian Science Fund (10.55776/COE1 (Quantum Science Austria), 10.55776/F71 (BeyondC), 10.55776/FG5 (Research Group 5)); United States Air Force Office of Scientific Research (FA9550-21-1-0355 (Q-Trust), FA8655-23-1-7063 (TIQI)).","OA_place":"publisher","file":[{"relation":"main_file","content_type":"application/pdf","success":1,"date_updated":"2026-05-05T12:01:08Z","access_level":"open_access","checksum":"f6e62a93f274e0c07197bf4e457eff31","file_size":858539,"date_created":"2026-05-05T12:01:08Z","file_name":"2026_Optica_Kun.pdf","creator":"dernst","file_id":"21799"}],"month":"04","_id":"21747","page":"745-751","date_updated":"2026-05-05T12:05:47Z","citation":{"ieee":"D. Kun, K. T. Strömberg, B. Dakić, P. Walther, and L. A. Rozema, “Testing single-photon entanglement using self-referential measurements,” <i>Optica</i>, vol. 13, no. 4. Optica Publishing Group, pp. 745–751, 2026.","ama":"Kun D, Strömberg KT, Dakić B, Walther P, Rozema LA. Testing single-photon entanglement using self-referential measurements. <i>Optica</i>. 2026;13(4):745-751. doi:<a href=\"https://doi.org/10.1364/OPTICA.586172\">10.1364/OPTICA.586172</a>","mla":"Kun, Daniel, et al. “Testing Single-Photon Entanglement Using Self-Referential Measurements.” <i>Optica</i>, vol. 13, no. 4, Optica Publishing Group, 2026, pp. 745–51, doi:<a href=\"https://doi.org/10.1364/OPTICA.586172\">10.1364/OPTICA.586172</a>.","ista":"Kun D, Strömberg KT, Dakić B, Walther P, Rozema LA. 2026. Testing single-photon entanglement using self-referential measurements. Optica. 13(4), 745–751.","short":"D. Kun, K.T. Strömberg, B. Dakić, P. Walther, L.A. Rozema, Optica 13 (2026) 745–751.","apa":"Kun, D., Strömberg, K. T., Dakić, B., Walther, P., &#38; Rozema, L. A. (2026). Testing single-photon entanglement using self-referential measurements. <i>Optica</i>. Optica Publishing Group. <a href=\"https://doi.org/10.1364/OPTICA.586172\">https://doi.org/10.1364/OPTICA.586172</a>","chicago":"Kun, Daniel, Karl T Strömberg, Borivoje Dakić, Philip Walther, and Lee A. Rozema. “Testing Single-Photon Entanglement Using Self-Referential Measurements.” <i>Optica</i>. Optica Publishing Group, 2026. <a href=\"https://doi.org/10.1364/OPTICA.586172\">https://doi.org/10.1364/OPTICA.586172</a>."},"publisher":"Optica Publishing Group","language":[{"iso":"eng"}],"has_accepted_license":"1","type":"journal_article","date_published":"2026-04-20T00:00:00Z","DOAJ_listed":"1","title":"Testing single-photon entanglement using self-referential measurements","author":[{"first_name":"Daniel","last_name":"Kun","full_name":"Kun, Daniel"},{"full_name":"Strömberg, Karl T","first_name":"Karl T","id":"68011cd2-da32-11ee-a930-b2774c7aba5f","last_name":"Strömberg"},{"full_name":"Dakić, Borivoje","last_name":"Dakić","first_name":"Borivoje"},{"last_name":"Walther","first_name":"Philip","full_name":"Walther, Philip"},{"last_name":"Rozema","first_name":"Lee A.","full_name":"Rozema, Lee A."}],"arxiv":1,"publication_identifier":{"eissn":["2334-2536"]},"quality_controlled":"1","article_processing_charge":"Yes","ddc":["530"],"publication":"Optica","oa":1,"file_date_updated":"2026-05-05T12:01:08Z","issue":"4","PlanS_conform":"1","project":[{"_id":"bdb108fd-d553-11ed-ba76-83dc74a9864f","grant_number":"F07105","name":"QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits"}],"day":"20","doi":"10.1364/OPTICA.586172","department":[{"_id":"OnHo"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","status":"public","publication_status":"published","abstract":[{"text":"Entanglement does not always require one particle per party. It was predicted some 30 years ago that a single photon traversing a beam splitter could violate a Bell inequality. Although initially debated, single-photon nonlocality was eventually demonstrated via homodyne measurements. Here, we present an alternate realization that avoids the complexity of homodyne measurements and potential loopholes in their implementation. We violate a Bell inequality by performing joint measurements on two copies of the same single-photon entangled state, where one photon acts as a phase reference for the other, making it self-referential. We observe CHSH parameters of 2.71 = 0.09 and 2.23 = 0.07, depending on the joint measurements implemented. This offers a perspective on single-photon nonlocality and a more accessible experimental route, potentially applicable to general mode-entangled states in diverse platforms.","lang":"eng"}],"volume":13,"date_created":"2026-04-19T22:07:44Z","article_type":"original","oa_version":"Published Version","OA_type":"gold","intvolume":"        13","external_id":{"arxiv":["2511.21819"]},"tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"scopus_import":"1"},{"article_processing_charge":"Yes","quality_controlled":"1","publication_identifier":{"eissn":["2399-3650"]},"publication":"Communications Physics","ddc":["530"],"DOAJ_listed":"1","date_published":"2026-03-04T00:00:00Z","type":"journal_article","has_accepted_license":"1","arxiv":1,"author":[{"orcid":"0000-0003-0582-2946","first_name":"Sofya","id":"09501ff6-dca7-11ea-a8ae-b3e0b9166e80","last_name":"Agafonova","full_name":"Agafonova, Sofya"},{"last_name":"Rosello","first_name":"Pere","full_name":"Rosello, Pere"},{"full_name":"Mekonnen, Manuel","first_name":"Manuel","last_name":"Mekonnen"},{"first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","last_name":"Hosten","full_name":"Hosten, Onur","orcid":"0000-0002-2031-204X"}],"title":"One-milligram torsional pendulum toward experiments at the quantum-gravity interface","file":[{"content_type":"application/pdf","relation":"main_file","date_updated":"2026-03-16T10:07:46Z","access_level":"open_access","success":1,"file_name":"2026_CommunicationsPhysics_Agafonova.pdf","checksum":"62e2175e7e3ad49260ae6a7b4e0860a2","file_size":1901772,"date_created":"2026-03-16T10:07:46Z","file_id":"21457","creator":"dernst"}],"language":[{"iso":"eng"}],"corr_author":"1","publisher":"Springer Nature","_id":"20840","date_updated":"2026-06-10T08:36:06Z","citation":{"chicago":"Agafonova, Sofia, Pere Rosello, Manuel Mekonnen, and Onur Hosten. “One-Milligram Torsional Pendulum toward Experiments at the Quantum-Gravity Interface.” <i>Communications Physics</i>. Springer Nature, 2026. <a href=\"https://doi.org/10.1038/s42005-026-02514-w\">https://doi.org/10.1038/s42005-026-02514-w</a>.","ieee":"S. Agafonova, P. Rosello, M. Mekonnen, and O. Hosten, “One-milligram torsional pendulum toward experiments at the quantum-gravity interface,” <i>Communications Physics</i>, vol. 9. Springer Nature, 2026.","mla":"Agafonova, Sofia, et al. “One-Milligram Torsional Pendulum toward Experiments at the Quantum-Gravity Interface.” <i>Communications Physics</i>, vol. 9, 80, Springer Nature, 2026, doi:<a href=\"https://doi.org/10.1038/s42005-026-02514-w\">10.1038/s42005-026-02514-w</a>.","ama":"Agafonova S, Rosello P, Mekonnen M, Hosten O. One-milligram torsional pendulum toward experiments at the quantum-gravity interface. <i>Communications Physics</i>. 2026;9. doi:<a href=\"https://doi.org/10.1038/s42005-026-02514-w\">10.1038/s42005-026-02514-w</a>","ista":"Agafonova S, Rosello P, Mekonnen M, Hosten O. 2026. One-milligram torsional pendulum toward experiments at the quantum-gravity interface. Communications Physics. 9, 80.","short":"S. Agafonova, P. Rosello, M. Mekonnen, O. Hosten, Communications Physics 9 (2026).","apa":"Agafonova, S., Rosello, P., Mekonnen, M., &#38; Hosten, O. (2026). One-milligram torsional pendulum toward experiments at the quantum-gravity interface. <i>Communications Physics</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s42005-026-02514-w\">https://doi.org/10.1038/s42005-026-02514-w</a>"},"month":"03","year":"2026","OA_place":"publisher","acknowledgement":"We thank Gerard Higgins, Andrei Militaru, Nikolai Kiesel, and Markus Aspelmeyer for useful discussions on the topic of the figure-of-merit. We thank Teodor Strömberg for helping with the additional characterizations of the optical lever noise. We thank Johannes Fink and Scott Waitukaitis for their helpful feedback on the manuscript. This work was supported by Institute of Science and Technology Austria and the European Research Council under Grant No. 101087907 (ERC CoG QuHAMP).","intvolume":"         9","scopus_import":"1","external_id":{"arxiv":["2408.09445"]},"tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"article_type":"original","volume":9,"date_created":"2025-12-21T11:39:04Z","abstract":[{"text":"Probing the possibility of entanglement generation through gravity offers a path to tackle the question of whether gravitational fields possess a quantum mechanical nature. A potential realization necessitates systems with low-frequency dynamics at an optimal mass scale, for which the microgram-to-milligram range is a strong contender. Here, after refining a figure-of-merit for the problem, we present a 1-milligram torsional pendulum operating at 18 Hz. We demonstrate laser cooling its motion from room temperature to 240 microkelvins, surpassing by over 20-fold the coldest motions attained for oscillators ranging from micrograms to kilograms. We quantify and contrast the utility of the current approach with other platforms. The achieved performance and large improvement potential highlight milligram-scale torsional pendulums as a powerful platform for precision measurements relevant to future studies at the quantum-gravity interface.","lang":"eng"}],"related_material":{"record":[{"id":"20842","relation":"research_data","status":"public"}]},"article_number":"80","OA_type":"gold","oa_version":"Published Version","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","department":[{"_id":"GradSch"},{"_id":"OnHo"}],"doi":"10.1038/s42005-026-02514-w","project":[{"_id":"bdb2a702-d553-11ed-ba76-f12e3e5a3bc6","grant_number":"101087907","name":"A quantum hybrid of atoms and milligram-scale pendulums: towards gravitational quantum mechanics"}],"day":"04","publication_status":"published","status":"public","file_date_updated":"2026-03-16T10:07:46Z","oa":1,"PlanS_conform":"1"},{"scopus_import":"1","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"external_id":{"arxiv":["2412.08694"]},"intvolume":"        24","OA_type":"hybrid","oa_version":"Published Version","volume":24,"date_created":"2025-12-11T10:46:28Z","article_type":"original","article_number":"024072","abstract":[{"lang":"eng","text":"Quantum key distribution (QKD) offers a theoretically secure method to share secret keys, yet practical implementations face challenges due to noise and loss over long-distance channels. Traditional QKD protocols require extensive noise compensation, hindering their industrial scalability and lowering the achievable key rates. Alternative protocols encode logical qubits in noise-resilient states but at the cost of using many physical qubits, increasing susceptibility to loss and limiting transmission distance. In this work, we introduce a logical-qubit encoding that uses antisymmetric Bell states in the continuous photonic degrees of freedom, frequency and time. By leveraging the continuous space, we overcome this noise-loss robustness trade-off by minimizing the number of photons per logical qubit while optimizing the encoding resilience over noise fluctuations. We analyze the security of our encoding and demonstrate its robustness compared to existing state-of-the-art protocols. This approach provides a path toward scalable, efficient QKD implementations under realistic noise conditions."}],"publication_status":"published","status":"public","doi":"10.1103/xq2l-r4r7","department":[{"_id":"OnHo"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","day":"29","PlanS_conform":"1","issue":"2","file_date_updated":"2025-12-15T09:39:12Z","oa":1,"publication":"Physical Review Applied","ddc":["530"],"article_processing_charge":"Yes (in subscription journal)","publication_identifier":{"eissn":["2331-7019"]},"quality_controlled":"1","arxiv":1,"title":"Surpassing the loss-noise robustness trade-off in quantum key distribution","author":[{"first_name":"Hannah","last_name":"Seabrook","full_name":"Seabrook, Hannah"},{"full_name":"Lavie, Emilien","first_name":"Emilien","last_name":"Lavie"},{"full_name":"Strömberg, Karl T","first_name":"Karl T","id":"68011cd2-da32-11ee-a930-b2774c7aba5f","last_name":"Strömberg"},{"first_name":"Matthew P.","last_name":"Stafford","full_name":"Stafford, Matthew P."},{"first_name":"Giulia","last_name":"Rubino","full_name":"Rubino, Giulia"}],"date_published":"2025-08-29T00:00:00Z","has_accepted_license":"1","type":"journal_article","publisher":"American Physical Society","language":[{"iso":"eng"}],"month":"08","_id":"20797","citation":{"chicago":"Seabrook, Hannah, Emilien Lavie, Karl T Strömberg, Matthew P. Stafford, and Giulia Rubino. “Surpassing the Loss-Noise Robustness Trade-off in Quantum Key Distribution.” <i>Physical Review Applied</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/xq2l-r4r7\">https://doi.org/10.1103/xq2l-r4r7</a>.","ista":"Seabrook H, Lavie E, Strömberg KT, Stafford MP, Rubino G. 2025. Surpassing the loss-noise robustness trade-off in quantum key distribution. Physical Review Applied. 24(2), 024072.","apa":"Seabrook, H., Lavie, E., Strömberg, K. T., Stafford, M. P., &#38; Rubino, G. (2025). Surpassing the loss-noise robustness trade-off in quantum key distribution. <i>Physical Review Applied</i>. American Physical Society. <a href=\"https://doi.org/10.1103/xq2l-r4r7\">https://doi.org/10.1103/xq2l-r4r7</a>","short":"H. Seabrook, E. Lavie, K.T. Strömberg, M.P. Stafford, G. Rubino, Physical Review Applied 24 (2025).","ieee":"H. Seabrook, E. Lavie, K. T. Strömberg, M. P. Stafford, and G. Rubino, “Surpassing the loss-noise robustness trade-off in quantum key distribution,” <i>Physical Review Applied</i>, vol. 24, no. 2. American Physical Society, 2025.","ama":"Seabrook H, Lavie E, Strömberg KT, Stafford MP, Rubino G. Surpassing the loss-noise robustness trade-off in quantum key distribution. <i>Physical Review Applied</i>. 2025;24(2). doi:<a href=\"https://doi.org/10.1103/xq2l-r4r7\">10.1103/xq2l-r4r7</a>","mla":"Seabrook, Hannah, et al. “Surpassing the Loss-Noise Robustness Trade-off in Quantum Key Distribution.” <i>Physical Review Applied</i>, vol. 24, no. 2, 024072, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/xq2l-r4r7\">10.1103/xq2l-r4r7</a>."},"date_updated":"2025-12-15T09:40:58Z","file":[{"relation":"main_file","content_type":"application/pdf","success":1,"date_updated":"2025-12-15T09:39:12Z","access_level":"open_access","file_size":3028735,"checksum":"12ddb0414780f65b8e690fe0e6cfb95e","date_created":"2025-12-15T09:39:12Z","file_name":"2025_PhysReviewApplied_Seabrook.pdf","creator":"dernst","file_id":"20824"}],"OA_place":"publisher","acknowledgement":"We thank B. Baragiola, A. Boubriak, M. Clark, M. Jones, and P. Skrzypczyk for useful discussions. H.S. acknowledges financial support from EPSRC Quantum Engineering Centre for Doctoral Training Grant No. EP/SO23607/1. E.L. acknowledges support from the Engineering and Physical Sciences Research Council (EPSRC) Hub in Quantum Computing and Simulation (EP/T001062/1). T.S. acknowledges that they received no funding in support of this research. M.P.S. acknowledges support from the EPSRC Quantum Engineering Centre for Doctoral Training EP/SO23607/1 and the European Commission through Starting Grant No. ERC-2018-STG803665 (PEQEM). G.R. acknowledges support from the Royal Commission for the Exhibition of 1851 through a Research Fellowship, from the European Commission through Starting Grant No. ERC-2018-STG803665 (PEQEM) and Advanced Grant No. ERC-2020-ADG101021085 (FLQuant), and from EPSRC through Standard Proposal Grant No. EP/X016218/1 (Mono-Squeeze).","year":"2025"},{"oa_version":"Published Version","OA_type":"gold","abstract":[{"lang":"eng","text":"This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024 (Second Terrestrial Very-Long-Baseline Atom Interferometry Workshop, Imperial College, April 2024), building on the initial discussions during the inaugural workshop held at CERN in March 2023 (First Terrestrial Very-Long-Baseline Atom Interferometry Workshop, CERN, March 2023). Like the summary of the first workshop (Abend et al. in AVS Quantum Sci. 6:024701, 2024), this document records a critical milestone for the international atom interferometry community. It documents our concerted efforts to evaluate progress, address emerging challenges, and refine strategic directions for future large-scale atom interferometry projects. Our commitment to collaboration is manifested by the integration of diverse expertise and the coordination of international resources, all aimed at advancing the frontiers of atom interferometry physics and technology, as set out in a Memorandum of Understanding signed by over 50 institutions (Memorandum of Understanding for the Terrestrial Very Long Baseline Atom Interferometer Study)."}],"article_number":"42","article_type":"review","volume":12,"date_created":"2025-05-04T22:02:30Z","external_id":{"isi":["001489653300001"],"arxiv":["2412.14960"]},"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode","short":"CC BY-NC-ND (4.0)","image":"/images/cc_by_nc_nd.png","name":"Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)"},"scopus_import":"1","intvolume":"        12","file_date_updated":"2025-05-05T10:52:52Z","oa":1,"status":"public","publication_status":"published","day":"03","department":[{"_id":"OnHo"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","doi":"10.1140/epjqt/s40507-025-00344-3","author":[{"first_name":"Adam","last_name":"Abdalla","full_name":"Abdalla, Adam"},{"full_name":"Abe, Mahiro","last_name":"Abe","first_name":"Mahiro"},{"full_name":"Abend, Sven","first_name":"Sven","last_name":"Abend"},{"full_name":"Abidi, Mouine","first_name":"Mouine","last_name":"Abidi"},{"full_name":"Aidelsburger, Monika","first_name":"Monika","last_name":"Aidelsburger"},{"full_name":"Alibabaei, Ashkan","first_name":"Ashkan","last_name":"Alibabaei"},{"full_name":"Allard, Baptiste","last_name":"Allard","first_name":"Baptiste"},{"full_name":"Antoniadis, John","first_name":"John","last_name":"Antoniadis"},{"full_name":"Arduini, Gianluigi","first_name":"Gianluigi","last_name":"Arduini"},{"full_name":"Augst, Nadja","last_name":"Augst","first_name":"Nadja"},{"last_name":"Balamatsias","first_name":"Philippos","full_name":"Balamatsias, Philippos"},{"full_name":"Balaž, Antun","first_name":"Antun","last_name":"Balaž"},{"full_name":"Banks, Hannah","first_name":"Hannah","last_name":"Banks"},{"last_name":"Barcklay","first_name":"Rachel L.","full_name":"Barcklay, Rachel L."},{"full_name":"Barone, Michele","first_name":"Michele","last_name":"Barone"},{"last_name":"Barsanti","first_name":"Michele","full_name":"Barsanti, Michele"},{"full_name":"Bason, Mark G.","first_name":"Mark G.","last_name":"Bason"},{"first_name":"Angelo","last_name":"Bassi","full_name":"Bassi, Angelo"},{"first_name":"Jean Baptiste","last_name":"Bayle","full_name":"Bayle, Jean Baptiste"},{"full_name":"Baynham, Charles F.A.","last_name":"Baynham","first_name":"Charles F.A."},{"full_name":"Beaufils, Quentin","last_name":"Beaufils","first_name":"Quentin"},{"full_name":"Beldjoudi, Sélyan","last_name":"Beldjoudi","first_name":"Sélyan"},{"full_name":"Belić, Aleksandar","last_name":"Belić","first_name":"Aleksandar"},{"first_name":"Shayne","last_name":"Bennetts","full_name":"Bennetts, Shayne"},{"full_name":"Bernabeu, Jose","last_name":"Bernabeu","first_name":"Jose"},{"last_name":"Bertoldi","first_name":"Andrea","full_name":"Bertoldi, Andrea"},{"first_name":"Clara","last_name":"Bigard","full_name":"Bigard, Clara"},{"full_name":"Bigelow, N. P.","first_name":"N. P.","last_name":"Bigelow"},{"full_name":"Bingham, Robert","first_name":"Robert","last_name":"Bingham"},{"first_name":"Diego","last_name":"Blas","full_name":"Blas, Diego"},{"full_name":"Bobrick, Alexey","last_name":"Bobrick","first_name":"Alexey"},{"last_name":"Boehringer","first_name":"Samuel","full_name":"Boehringer, Samuel"},{"last_name":"Bogojević","first_name":"Aleksandar","full_name":"Bogojević, Aleksandar"},{"last_name":"Bongs","first_name":"Kai","full_name":"Bongs, Kai"},{"full_name":"Bortoletto, Daniela","first_name":"Daniela","last_name":"Bortoletto"},{"first_name":"Philippe","last_name":"Bouyer","full_name":"Bouyer, Philippe"},{"first_name":"Christian","last_name":"Brand","full_name":"Brand, Christian"},{"full_name":"Buchmueller, Oliver","first_name":"Oliver","last_name":"Buchmueller"},{"first_name":"Gabriela","last_name":"Buica","full_name":"Buica, Gabriela"},{"full_name":"Calatroni, Sergio","last_name":"Calatroni","first_name":"Sergio"},{"full_name":"Calmels, Léo","first_name":"Léo","last_name":"Calmels"},{"full_name":"Canizares, Priscilla","last_name":"Canizares","first_name":"Priscilla"},{"last_name":"Canuel","first_name":"Benjamin","full_name":"Canuel, Benjamin"},{"full_name":"Caramete, Ana","first_name":"Ana","last_name":"Caramete"},{"last_name":"Caramete","first_name":"Laurentiu Ioan","full_name":"Caramete, Laurentiu Ioan"},{"first_name":"Matteo","last_name":"Carlesso","full_name":"Carlesso, Matteo"},{"last_name":"Carlton","first_name":"John","full_name":"Carlton, John"},{"last_name":"Carman","first_name":"Samuel P.","full_name":"Carman, Samuel P."},{"full_name":"Carroll, Andrew","first_name":"Andrew","last_name":"Carroll"},{"full_name":"Casariego, Mateo","last_name":"Casariego","first_name":"Mateo"},{"full_name":"Chairetis, Minoas","first_name":"Minoas","last_name":"Chairetis"},{"first_name":"Vassilis","last_name":"Charmandaris","full_name":"Charmandaris, Vassilis"},{"first_name":"Upasna","last_name":"Chauhan","full_name":"Chauhan, Upasna"},{"first_name":"Jiajun","last_name":"Chen","full_name":"Chen, Jiajun"},{"full_name":"Chiofalo, Maria Luisa Maria Luisa Marilù","last_name":"Chiofalo","first_name":"Maria Luisa Maria Luisa Marilù"},{"last_name":"Ciampini","first_name":"Donatella","full_name":"Ciampini, Donatella"},{"first_name":"Alessia","last_name":"Cimbri","full_name":"Cimbri, Alessia"},{"full_name":"Cladé, Pierre","last_name":"Cladé","first_name":"Pierre"},{"full_name":"Coleman, Jonathon","first_name":"Jonathon","last_name":"Coleman"},{"full_name":"Constantin, Florin Lucian","last_name":"Constantin","first_name":"Florin Lucian"},{"full_name":"Contaldi, Carlo R.","first_name":"Carlo R.","last_name":"Contaldi"},{"full_name":"Corgier, Robin","last_name":"Corgier","first_name":"Robin"},{"first_name":"Bineet","last_name":"Dash","full_name":"Dash, Bineet"},{"full_name":"Davies, G. 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A.","last_name":"Weidner","first_name":"C. A."},{"first_name":"André","last_name":"Wenzlawski","full_name":"Wenzlawski, André"},{"full_name":"Werner, Michael","first_name":"Michael","last_name":"Werner"},{"first_name":"Lisa","last_name":"Wörner","full_name":"Wörner, Lisa"},{"full_name":"Yahia, Mohamed E.","first_name":"Mohamed E.","last_name":"Yahia"},{"full_name":"Yazgan, Efe","first_name":"Efe","last_name":"Yazgan"},{"full_name":"Zambrini Cruzeiro, Emmanuel","first_name":"Emmanuel","last_name":"Zambrini Cruzeiro"},{"first_name":"M.","last_name":"Zarei","full_name":"Zarei, M."},{"first_name":"Mingsheng","last_name":"Zhan","full_name":"Zhan, Mingsheng"},{"last_name":"Zhang","first_name":"Shengnan","full_name":"Zhang, Shengnan"},{"full_name":"Zhou, Lin","last_name":"Zhou","first_name":"Lin"},{"full_name":"Zupanič, Erik","first_name":"Erik","last_name":"Zupanič"}],"title":"Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the second workshop","arxiv":1,"isi":1,"has_accepted_license":"1","type":"journal_article","DOAJ_listed":"1","date_published":"2025-04-03T00:00:00Z","ddc":["530"],"publication":"EPJ Quantum Technology","quality_controlled":"1","publication_identifier":{"eissn":["2196-0763"]},"article_processing_charge":"Yes","OA_place":"publisher","acknowledgement":"We acknowledge the support of the CERN Physics Beyond Collider activity, the CERN Quantum Technology Initiative, the Long Range Broad Agency Announcement (BAA) for the Navy and Marine Corps Science and Technology programme, Hannover Leibniz University, and the Physics Department at Imperial College London, whose contributions were instrumental in supporting the workshop that laid the foundation for this paper.\r\nThe workshop was partially funded by contributions from the Long Range Broad Agency Announcement (BAA) for the Navy and Marine Corps Science and Technology programme, Hannover Leibniz University, and the Physics Department at Imperial College London.","year":"2025","citation":{"mla":"Abdalla, Adam, et al. “Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop.” <i>EPJ Quantum Technology</i>, vol. 12, 42, Springer Nature, 2025, doi:<a href=\"https://doi.org/10.1140/epjqt/s40507-025-00344-3\">10.1140/epjqt/s40507-025-00344-3</a>.","ama":"Abdalla A, Abe M, Abend S, et al. Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the second workshop. <i>EPJ Quantum Technology</i>. 2025;12. doi:<a href=\"https://doi.org/10.1140/epjqt/s40507-025-00344-3\">10.1140/epjqt/s40507-025-00344-3</a>","ieee":"A. Abdalla <i>et al.</i>, “Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the second workshop,” <i>EPJ Quantum Technology</i>, vol. 12. Springer Nature, 2025.","apa":"Abdalla, A., Abe, M., Abend, S., Abidi, M., Aidelsburger, M., Alibabaei, A., … Zupanič, E. (2025). Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the second workshop. <i>EPJ Quantum Technology</i>. Springer Nature. <a href=\"https://doi.org/10.1140/epjqt/s40507-025-00344-3\">https://doi.org/10.1140/epjqt/s40507-025-00344-3</a>","short":"A. Abdalla, M. Abe, S. Abend, M. Abidi, M. Aidelsburger, A. Alibabaei, B. Allard, J. Antoniadis, G. Arduini, N. Augst, P. Balamatsias, A. Balaž, H. Banks, R.L. Barcklay, M. Barone, M. Barsanti, M.G. Bason, A. Bassi, J.B. Bayle, C.F.A. Baynham, Q. Beaufils, S. Beldjoudi, A. Belić, S. Bennetts, J. Bernabeu, A. Bertoldi, C. Bigard, N.P. Bigelow, R. Bingham, D. Blas, A. Bobrick, S. Boehringer, A. Bogojević, K. Bongs, D. Bortoletto, P. Bouyer, C. Brand, O. Buchmueller, G. Buica, S. Calatroni, L. Calmels, P. Canizares, B. Canuel, A. Caramete, L.I. Caramete, M. Carlesso, J. Carlton, S.P. Carman, A. Carroll, M. Casariego, M. Chairetis, V. Charmandaris, U. Chauhan, J. Chen, M.L.M.L.M. Chiofalo, D. Ciampini, A. Cimbri, P. Cladé, J. Coleman, F.L. Constantin, C.R. Contaldi, R. Corgier, B. Dash, G.J. Davies, C. De Rham, A. De Roeck, D. Derr, S. Dey, F. Di Pumpo, G.S. Djordjevic, B. Döbrich, P. Dornan, M. Doser, G. Drougakis, J. Dunningham, A. Duspayev, S. Easo, J. Eby, M. Efremov, G. Elertas, J. Ellis, N. Entin, S. Fairhurst, M. Fanì, F. Fassi, P. Fayet, D. Felea, J. Feng, R. Flack, C. Foot, T. Freegarde, E. Fuchs, N. Gaaloul, D. Gao, S. Gardner, B.M. Garraway, C.L. Garrido Alzar, A. Gauguet, E. Giese, P. Gill, G.F. Giudice, E.P. Glasbrenner, J. Glick, P.W. Graham, E. Granados, P.F. Griffin, J. Gué, S. Guellati-Khelifa, S. Gupta, V. Gupta, L. Hackermueller, M. Haehnelt, T. Hakulinen, K. Hammerer, E.T. Hanımeli, T. Harte, S. Hartmann, L. Hawkins, A. Hees, A. Herbst, T.M. Hird, R. Hobson, J. Hogan, B. Holst, M. Holynski, O. Hosten, C.C. Hsu, W.C.W. Huang, K.M. Hughes, K. Hussain, G. Hütsi, A. Iovino, M.C. Isfan, G. Janson, P. Jeglič, P. Jetzer, Y. Jiang, G. Juzeliūnas, W. Kaenders, M. Kalliokoski, A. Kehagias, E. Kilian, C. Klempt, P. Knight, S. Koley, B. Konrad, T. Kovachy, M. Krutzik, M. Kumar, P. Kumar, H. Labiad, S.Y. Lan, A. Landragin, G. Landsberg, M. Langlois, B. Lanigan, B. Leone, C. Le Poncin-Lafitte, S. Lellouch, M. Lewicki, Y.H. Lien, L. Lombriser, E.L. Asamar, J.L. Lopez-Gonzalez, C. Lu, G.G. Luciano, N. Lundblad, C. De J. López Monjaraz, A. Lowe, M. Mackoit-Sinkevičienė, M. Maggiore, A. Majumdar, K. Makris, A. Maleknejad, A.L. Marchant, A. Mariotti, C. Markou, B. Matthews, A. Mazumdar, C. Mccabe, M. Meister, G. Mentasti, J. Menu, G. Messineo, B. Meyer-Hoppe, S. Micalizio, F. Migliaccio, P. Millington, M. Milosevic, A. Mishra, J. Mitchell, G.W. Morley, N. Mouelle, J. Müller, D. Newbold, W.T. Ni, C. Niehof, J. Noller, S. Odžak, D.K.L. Oi, A. Oikonomou, Y. Omar, C. Overstreet, V. Puthiya Veettil, J. Pahl, S. Paling, Z. Pan, G. Pappas, V. Pareek, E. Pasatembou, M. Paternostro, V.K. Pathak, E. Pelucchi, F. Pereira Dos Santos, A. Peters, A. Pichery, I. Pikovski, A. Pilaftsis, F.C. Pislan, R. Plunkett, R. Poggiani, M. Prevedelli, J. Rafelski, J. Raidal, M. Raidal, E.M. Rasel, S. Renaux-Petel, A. Richaud, P. Rivero-Antunez, T. Rodzinka, A. Roura, J. Rudolph, D. Sabulsky, M.S. Safronova, M. Sakellariadou, L. Salvi, M. Sameed, S. Sarkar, P. Schach, S.A. Schäffer, J. Schelfhout, M. Schilling, V. Schkolnik, W.P. Schleich, D. Schlippert, U. Schneider, F. Schreck, A. Schwartzman, N. Schwersenz, O. Sergijenko, H.R. Sfar, L. Shao, I. Shipsey, J. Shu, Y. Singh, C.F. Sopuerta, M. Sorba, F. Sorrentino, A.D.A.M. Spallicci, P. Stefanescu, N. Stergioulas, D. Stoerk, H. Thaivalappil Sunilkumar, J. Ströhle, Z. Tam, D. Tandon, Y. Tang, D. Tell, J. Tempere, D.J. Temples, R.P. Thampy, I.C. Tietje, G.M. Tino, J.N. Tinsley, O. Tintareanu Mircea, K. Tkalčec, A.J. Tolley, V. Tornatore, A. Torres-Orjuela, P. Treutlein, A. Trombettoni, C. Ufrecht, J. Urrutia, T. Valenzuela, L.R. Valerio, M. Van Der Grinten, V. Vaskonen, V. Vázquez-Aceves, H. Veermäe, F. Vetrano, N.V. Vitanov, W. Von Klitzing, S. Wald, T. Walker, R. Walser, J. Wang, Y. Wang, C.A. Weidner, A. Wenzlawski, M. Werner, L. Wörner, M.E. Yahia, E. Yazgan, E. Zambrini Cruzeiro, M. Zarei, M. Zhan, S. Zhang, L. Zhou, E. Zupanič, EPJ Quantum Technology 12 (2025).","ista":"Abdalla A et al. 2025. Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the second workshop. EPJ Quantum Technology. 12, 42.","chicago":"Abdalla, Adam, Mahiro Abe, Sven Abend, Mouine Abidi, Monika Aidelsburger, Ashkan Alibabaei, Baptiste Allard, et al. “Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop.” <i>EPJ Quantum Technology</i>. Springer Nature, 2025. <a href=\"https://doi.org/10.1140/epjqt/s40507-025-00344-3\">https://doi.org/10.1140/epjqt/s40507-025-00344-3</a>."},"_id":"19636","date_updated":"2025-09-30T12:22:04Z","month":"04","language":[{"iso":"eng"}],"publisher":"Springer Nature","file":[{"success":1,"date_updated":"2025-05-05T10:52:52Z","access_level":"open_access","relation":"main_file","content_type":"application/pdf","creator":"dernst","file_id":"19653","date_created":"2025-05-05T10:52:52Z","file_size":14352192,"checksum":"00c7a97d87f7a6314df5b0c2213fbb02","file_name":"2025_EPJQuantumTech_Abdalla.pdf"}]},{"issue":"5","file_date_updated":"2025-05-28T09:16:03Z","oa":1,"publication_status":"published","status":"public","doi":"10.1103/PhysRevA.111.L050402","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","department":[{"_id":"OnHo"}],"day":"16","OA_type":"hybrid","oa_version":"Published Version","date_created":"2025-05-25T22:16:54Z","volume":111,"article_type":"letter_note","article_number":"L050402","abstract":[{"text":"One of the most striking quantum phenomena is superposition, where one particle simultaneously inhabits different states. Most methods to verify coherent superposition are indirect, in that they require the distinct states to be recombined. Here, we adapt an xor game, in which a “test” photon is placed in a superposition of two orthogonal spatial modes, and each mode is sent to separated parties who perform local measurements on their modes without reinterfering the original modes. We show that by using a second identical “measurement” photon the parties are nonetheless able to verify if the test photon was placed in coherent superposition of the two spatial modes. We then turn this game into a resource-efficient verification scheme, obtaining a confidence that the particle is superposed which approaches unity exponentially fast. We demonstrate our scheme using a single photon, obtaining a 99% confidence that the particle is superposed with only 37 copies. Our work shows the utility of xor games to verify quantum resources, allowing us to efficiently detect quantum superposition without reinterfering the superposed modes.","lang":"eng"}],"scopus_import":"1","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"external_id":{"arxiv":["2405.08065"],"isi":["001501941500006"]},"intvolume":"       111","acknowledgement":"This project has received funding from the European Union's Horizon 2020 and Horizon Europe research and innovation programmes under Grant Agreements No. 899368 (EPIQUS) and No. 101135288 (EPIQUE), the Marie Skłodowska-Curie Grant Agreement No. 956071 (AppQInfo), and the QuantERA II Programme under Grant Agreement No. 101017733 (PhoMemtor). The financial support by the Austrian Federal Ministry of Labour and Economy, the National Foundation for Research, Technology and Development, and the Christian Doppler Research Association is gratefully acknowledged. L.A.R. acknowledges support from the Erwin Schrödinger Center for Quantum Science & Technology (ESQ Discovery). This research was funded in whole or in part from the Austrian Science Fund (FWF) through [Grant No. 10.55776/COE1] (Quantum Science Austria), [Grant No. 10.55776/F71] (BeyondC), [Grant No. 10.55776/FG5] (Research Group 5), [Grant No. 10.55776/I6002] (PhoMemtor), and [Grant No. 10.55776/P36994] (Quantum Interference).","OA_place":"publisher","year":"2025","publisher":"American Physical Society","language":[{"iso":"eng"}],"month":"05","date_updated":"2025-09-30T12:40:18Z","_id":"19733","citation":{"chicago":"Kun, Daniel, Karl T Strömberg, Michele Spagnolo, Borivoje Dakić, Lee A. Rozema, and Philip Walther. “Direct and Efficient Detection of Quantum Superposition.” <i>Physical Review A</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/PhysRevA.111.L050402\">https://doi.org/10.1103/PhysRevA.111.L050402</a>.","ieee":"D. Kun, K. T. Strömberg, M. Spagnolo, B. Dakić, L. A. Rozema, and P. Walther, “Direct and efficient detection of quantum superposition,” <i>Physical Review A</i>, vol. 111, no. 5. American Physical Society, 2025.","ama":"Kun D, Strömberg KT, Spagnolo M, Dakić B, Rozema LA, Walther P. Direct and efficient detection of quantum superposition. <i>Physical Review A</i>. 2025;111(5). doi:<a href=\"https://doi.org/10.1103/PhysRevA.111.L050402\">10.1103/PhysRevA.111.L050402</a>","mla":"Kun, Daniel, et al. “Direct and Efficient Detection of Quantum Superposition.” <i>Physical Review A</i>, vol. 111, no. 5, L050402, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/PhysRevA.111.L050402\">10.1103/PhysRevA.111.L050402</a>.","ista":"Kun D, Strömberg KT, Spagnolo M, Dakić B, Rozema LA, Walther P. 2025. Direct and efficient detection of quantum superposition. Physical Review A. 111(5), L050402.","short":"D. Kun, K.T. Strömberg, M. Spagnolo, B. Dakić, L.A. Rozema, P. Walther, Physical Review A 111 (2025).","apa":"Kun, D., Strömberg, K. T., Spagnolo, M., Dakić, B., Rozema, L. A., &#38; Walther, P. (2025). Direct and efficient detection of quantum superposition. <i>Physical Review A</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevA.111.L050402\">https://doi.org/10.1103/PhysRevA.111.L050402</a>"},"file":[{"creator":"dernst","file_id":"19755","date_created":"2025-05-28T09:16:03Z","file_size":571784,"checksum":"b83295a8f597b7781d8e7bfa3b393b42","file_name":"2025_PhysReviewA_Kun.pdf","success":1,"date_updated":"2025-05-28T09:16:03Z","access_level":"open_access","relation":"main_file","content_type":"application/pdf"}],"isi":1,"arxiv":1,"title":"Direct and efficient detection of quantum superposition","author":[{"full_name":"Kun, Daniel","last_name":"Kun","first_name":"Daniel"},{"full_name":"Strömberg, Karl T","last_name":"Strömberg","first_name":"Karl T","id":"68011cd2-da32-11ee-a930-b2774c7aba5f"},{"full_name":"Spagnolo, Michele","last_name":"Spagnolo","first_name":"Michele"},{"full_name":"Dakić, Borivoje","first_name":"Borivoje","last_name":"Dakić"},{"last_name":"Rozema","first_name":"Lee A.","full_name":"Rozema, Lee A."},{"first_name":"Philip","last_name":"Walther","full_name":"Walther, Philip"}],"date_published":"2025-05-16T00:00:00Z","type":"journal_article","has_accepted_license":"1","publication":"Physical Review A","ddc":["530"],"article_processing_charge":"No","publication_identifier":{"issn":["2469-9926"],"eissn":["2469-9934"]},"quality_controlled":"1"},{"oa_version":"Published Version","author":[{"last_name":"Agafonova","first_name":"Sofya","id":"09501ff6-dca7-11ea-a8ae-b3e0b9166e80","full_name":"Agafonova, Sofya","orcid":"0000-0003-0582-2946"}],"title":"Research Data for: 'One-milligram torsional pendulum toward experiments at the quantum-gravity interface'","date_published":"2025-12-22T00:00:00Z","date_created":"2025-12-21T14:23:50Z","abstract":[{"text":"Probing the possibility of entanglement generation through gravity offers a path to tackle the question of whether gravitational fields possess a quantum mechanical nature. A potential realization necessitates systems with low-frequency dynamics at an optimal mass scale, for which the microgram-to-milligram range is a strong contender. Here, after refining a figure-of-merit for the problem, we present a 1-milligram torsional pendulum operating at 18 Hz. We demonstrate laser cooling its motion from room temperature to 240~microkelvins, surpassing by over 20-fold the coldest motions attained for oscillators ranging from micrograms to kilograms. We quantify and contrast the utility of the current approach with other platforms. The achieved performance and large improvement potential highlight milligram-scale torsional pendulums as a powerful platform for precision measurements relevant to future studies at the quantum-gravity interface.","lang":"eng"}],"related_material":{"record":[{"status":"public","relation":"used_in_publication","id":"20840"}]},"has_accepted_license":"1","type":"research_data","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"article_processing_charge":"No","year":"2025","file_date_updated":"2025-12-22T13:51:09Z","oa":1,"corr_author":"1","publisher":"Institute of Science and Technology Austria","_id":"20842","citation":{"chicago":"Agafonova, Sofia. “Research Data for: ‘One-Milligram Torsional Pendulum toward Experiments at the Quantum-Gravity Interface.’” Institute of Science and Technology Austria, 2025. <a href=\"https://doi.org/10.15479/AT-ISTA-20842\">https://doi.org/10.15479/AT-ISTA-20842</a>.","short":"S. Agafonova, (2025).","apa":"Agafonova, S. (2025). Research Data for: “One-milligram torsional pendulum toward experiments at the quantum-gravity interface.” Institute of Science and Technology Austria. <a href=\"https://doi.org/10.15479/AT-ISTA-20842\">https://doi.org/10.15479/AT-ISTA-20842</a>","ista":"Agafonova S. 2025. Research Data for: ‘One-milligram torsional pendulum toward experiments at the quantum-gravity interface’, Institute of Science and Technology Austria, <a href=\"https://doi.org/10.15479/AT-ISTA-20842\">10.15479/AT-ISTA-20842</a>.","mla":"Agafonova, Sofia. <i>Research Data for: “One-Milligram Torsional Pendulum toward Experiments at the Quantum-Gravity Interface.”</i> Institute of Science and Technology Austria, 2025, doi:<a href=\"https://doi.org/10.15479/AT-ISTA-20842\">10.15479/AT-ISTA-20842</a>.","ama":"Agafonova S. Research Data for: “One-milligram torsional pendulum toward experiments at the quantum-gravity interface.” 2025. doi:<a href=\"https://doi.org/10.15479/AT-ISTA-20842\">10.15479/AT-ISTA-20842</a>","ieee":"S. Agafonova, “Research Data for: ‘One-milligram torsional pendulum toward experiments at the quantum-gravity interface.’” Institute of Science and Technology Austria, 2025."},"date_updated":"2026-06-10T08:36:07Z","status":"public","month":"12","user_id":"68b8ca59-c5b3-11ee-8790-cd641c68093d","department":[{"_id":"GradSch"},{"_id":"OnHo"}],"file":[{"date_updated":"2025-12-22T13:45:30Z","access_level":"open_access","success":1,"content_type":"application/x-zip-compressed","relation":"main_file","file_id":"20854","creator":"sagafono","file_name":"AllData.zip","checksum":"7af34e4226a00cdcb7f154272050e217","file_size":146656591,"date_created":"2025-12-22T13:45:30Z"},{"relation":"main_file","content_type":"application/x-zip-compressed","success":1,"date_updated":"2025-12-22T13:45:33Z","access_level":"open_access","date_created":"2025-12-22T13:45:33Z","checksum":"71806a2ef9fb26ad7b78e04c6754ee4e","file_size":93470129,"file_name":"SourceData.zip","creator":"sagafono","file_id":"20855"},{"success":1,"date_updated":"2025-12-22T13:51:09Z","access_level":"open_access","relation":"main_file","content_type":"text/plain","creator":"sagafono","file_id":"20856","date_created":"2025-12-22T13:51:09Z","checksum":"08facd1b4a102f83e4d99d48a85b258d","file_size":461,"file_name":"readme.txt"}],"contributor":[{"first_name":"Pere","last_name":"Rosello"},{"last_name":"Mekonnen","first_name":"Manuel"},{"last_name":"Hosten","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","first_name":"Onur","contributor_type":"supervisor","orcid":"0000-0002-2031-204X"}],"doi":"10.15479/AT-ISTA-20842","project":[{"grant_number":"101087907","_id":"bdb2a702-d553-11ed-ba76-f12e3e5a3bc6","name":"A quantum hybrid of atoms and milligram-scale pendulums: towards gravitational quantum mechanics"}],"day":"22"},{"doi":"10.15479/AT-ISTA-20798","user_id":"ba8df636-2132-11f1-aed0-ed93e2281fdd","department":[{"_id":"GradSch"},{"_id":"OnHo"}],"day":"11","publication_status":"published","status":"public","keyword":["entanglement-enhanced atom interferometry","cavity QED","spin-squeezing","dipole trap","quantum optics"],"file_date_updated":"2026-06-15T22:30:03Z","oa":1,"degree_awarded":"PhD","tmp":{"image":"/images/cc_by_nc.png","short":"CC BY-NC (4.0)","legal_code_url":"https://creativecommons.org/licenses/by-nc/4.0/legalcode","name":"Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)"},"date_created":"2025-12-11T11:48:11Z","related_material":{"record":[{"status":"public","id":"14759","relation":"part_of_dissertation"}]},"supervisor":[{"orcid":"0000-0002-2031-204X","last_name":"Hosten","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","full_name":"Hosten, Onur"}],"oa_version":"Published Version","file":[{"relation":"main_file","content_type":"application/pdf","date_updated":"2026-06-15T22:30:03Z","access_level":"open_access","embargo":"2026-06-15","checksum":"1be72faf529a5e8a2d03cb3d5f808b77","file_size":47536855,"date_created":"2025-12-12T11:53:42Z","file_name":"2025_Wald_Sebastian_Thesis.pdf","creator":"swald","file_id":"20809"},{"file_name":"2025_Wald_Sebastian_Thesis.zip","file_size":40127601,"checksum":"8c3a1904dceb4bcd04bc9f14b2594bab","date_created":"2025-12-12T11:54:55Z","file_id":"20810","creator":"swald","content_type":"application/x-zip-compressed","embargo_to":"open_access","relation":"source_file","access_level":"closed","date_updated":"2026-06-15T22:30:03Z"}],"OA_embargo":"6","publisher":"Institute of Science and Technology Austria","corr_author":"1","language":[{"iso":"eng"}],"month":"12","_id":"20798","page":"152","citation":{"ieee":"S. Wald, “Atoms in a propagating-wave cavity for squeezed Mach-Zehnder atom interferometry,” Institute of Science and Technology Austria, 2025.","mla":"Wald, Sebastian. <i>Atoms in a Propagating-Wave Cavity for Squeezed Mach-Zehnder Atom Interferometry</i>. Institute of Science and Technology Austria, 2025, doi:<a href=\"https://doi.org/10.15479/AT-ISTA-20798\">10.15479/AT-ISTA-20798</a>.","ama":"Wald S. Atoms in a propagating-wave cavity for squeezed Mach-Zehnder atom interferometry. 2025. doi:<a href=\"https://doi.org/10.15479/AT-ISTA-20798\">10.15479/AT-ISTA-20798</a>","ista":"Wald S. 2025. Atoms in a propagating-wave cavity for squeezed Mach-Zehnder atom interferometry. Institute of Science and Technology Austria.","short":"S. Wald, Atoms in a Propagating-Wave Cavity for Squeezed Mach-Zehnder Atom Interferometry, Institute of Science and Technology Austria, 2025.","apa":"Wald, S. (2025). <i>Atoms in a propagating-wave cavity for squeezed Mach-Zehnder atom interferometry</i>. Institute of Science and Technology Austria. <a href=\"https://doi.org/10.15479/AT-ISTA-20798\">https://doi.org/10.15479/AT-ISTA-20798</a>","chicago":"Wald, Sebastian. “Atoms in a Propagating-Wave Cavity for Squeezed Mach-Zehnder Atom Interferometry.” Institute of Science and Technology Austria, 2025. <a href=\"https://doi.org/10.15479/AT-ISTA-20798\">https://doi.org/10.15479/AT-ISTA-20798</a>."},"date_updated":"2026-06-15T22:30:04Z","year":"2025","OA_place":"publisher","article_processing_charge":"No","publication_identifier":{"issn":["2663-337X"],"isbn":["978-3-99078-075-6"]},"ddc":["530"],"date_published":"2025-12-11T00:00:00Z","type":"dissertation","has_accepted_license":"1","alternative_title":["ISTA Thesis"],"title":"Atoms in a propagating-wave cavity for squeezed Mach-Zehnder atom interferometry","author":[{"orcid":"0000-0002-5869-1604","full_name":"Wald, Sebastian","first_name":"Sebastian","id":"133F200A-B015-11E9-AD41-0EDAE5697425","last_name":"Wald"}]},{"isi":1,"author":[{"orcid":"0000-0002-4947-8924","id":"2E054C4C-F248-11E8-B48F-1D18A9856A87","first_name":"Fritz R","last_name":"Diorico","full_name":"Diorico, Fritz R"},{"id":"0f02ed6a-b514-11ee-b891-8379c5f19cb7","first_name":"Artem","last_name":"Zhutov","full_name":"Zhutov, Artem"},{"last_name":"Hosten","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","full_name":"Hosten, Onur","orcid":"0000-0002-2031-204X"}],"title":"Laser-cavity locking utilizing beam ellipticity: accessing the 10<sup>−7</sup> instability scale relative to cavity linewidth","DOAJ_listed":"1","date_published":"2024-01-20T00:00:00Z","has_accepted_license":"1","type":"journal_article","publication":"Optica","ddc":["530"],"article_processing_charge":"Yes","quality_controlled":"1","publication_identifier":{"issn":["2334-2536"]},"acknowledgement":"We thank Rishabh Sahu and Sebastian Wald for technical contributions to the experiment. Funding by Institute of Science and Technology Austria.","OA_place":"publisher","year":"2024","language":[{"iso":"eng"}],"publisher":"Optica Publishing Group","corr_author":"1","_id":"14802","page":"26-31","date_updated":"2025-09-04T12:13:27Z","citation":{"chicago":"Diorico, Fritz R, Artem Zhutov, and Onur Hosten. “Laser-Cavity Locking Utilizing Beam Ellipticity: Accessing the 10<sup>−7</sup> Instability Scale Relative to Cavity Linewidth.” <i>Optica</i>. Optica Publishing Group, 2024. <a href=\"https://doi.org/10.1364/optica.507451\">https://doi.org/10.1364/optica.507451</a>.","short":"F.R. Diorico, A. Zhutov, O. Hosten, Optica 11 (2024) 26–31.","apa":"Diorico, F. R., Zhutov, A., &#38; Hosten, O. (2024). Laser-cavity locking utilizing beam ellipticity: accessing the 10<sup>−7</sup> instability scale relative to cavity linewidth. <i>Optica</i>. Optica Publishing Group. <a href=\"https://doi.org/10.1364/optica.507451\">https://doi.org/10.1364/optica.507451</a>","ista":"Diorico FR, Zhutov A, Hosten O. 2024. Laser-cavity locking utilizing beam ellipticity: accessing the 10<sup>−7</sup> instability scale relative to cavity linewidth. Optica. 11(1), 26–31.","ama":"Diorico FR, Zhutov A, Hosten O. Laser-cavity locking utilizing beam ellipticity: accessing the 10<sup>−7</sup> instability scale relative to cavity linewidth. <i>Optica</i>. 2024;11(1):26-31. doi:<a href=\"https://doi.org/10.1364/optica.507451\">10.1364/optica.507451</a>","mla":"Diorico, Fritz R., et al. “Laser-Cavity Locking Utilizing Beam Ellipticity: Accessing the 10<sup>−7</sup> Instability Scale Relative to Cavity Linewidth.” <i>Optica</i>, vol. 11, no. 1, Optica Publishing Group, 2024, pp. 26–31, doi:<a href=\"https://doi.org/10.1364/optica.507451\">10.1364/optica.507451</a>.","ieee":"F. R. Diorico, A. Zhutov, and O. Hosten, “Laser-cavity locking utilizing beam ellipticity: accessing the 10<sup>−7</sup> instability scale relative to cavity linewidth,” <i>Optica</i>, vol. 11, no. 1. Optica Publishing Group, pp. 26–31, 2024."},"month":"01","file":[{"content_type":"application/pdf","relation":"main_file","date_updated":"2024-01-17T08:53:16Z","access_level":"open_access","success":1,"file_name":"2023_Optica_Diorico.pdf","file_size":4558986,"checksum":"eb99ca7d0fe73e22f121875175546ed7","date_created":"2024-01-17T08:53:16Z","file_id":"14824","creator":"dernst"}],"OA_type":"gold","oa_version":"Published Version","article_type":"original","volume":11,"date_created":"2024-01-15T10:25:38Z","APC_amount":"3393,38 EUR","abstract":[{"lang":"eng","text":"Frequency-stable lasers form the back bone of precision measurements in science and technology. Such lasers typically attain their stability through frequency locking to reference cavities. State-of-the-art locking performances to date had been achieved using frequency modulation based methods, complemented with active drift cancellation systems. We demonstrate an all passive, modulation-free laser-cavity locking technique (squash locking) that utilizes changes in spatial beam ellipticity for error signal generation, and a coherent polarization post-selection for noise resilience. By comparing two identically built proof-of-principle systems, we show a frequency locking instability of 5×10<jats:sup>−7</jats:sup> relative to the cavity linewidth at 10 s averaging. The results surpass the demonstrated performances of methods engineered over the last five decades, potentially enabling an advancement in the precision control of lasers, while creating avenues for bridging the performance gaps between industrial grade lasers with scientific ones due to the afforded simplicity and scalability."}],"scopus_import":"1","external_id":{"isi":["001202817000004"]},"tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"intvolume":"        11","issue":"1","keyword":["Atomic and Molecular Physics","and Optics","Electronic","Optical and Magnetic Materials"],"oa":1,"file_date_updated":"2024-01-17T08:53:16Z","publication_status":"published","status":"public","department":[{"_id":"OnHo"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","doi":"10.1364/optica.507451","day":"20"},{"file":[{"creator":"dernst","file_id":"14981","checksum":"3a39ebffb24c1cc1dd0b547a726dc52d","file_size":1437167,"date_created":"2024-02-12T11:46:50Z","file_name":"2024_PhysicalRevResearch_Agafonova.pdf","success":1,"access_level":"open_access","date_updated":"2024-02-12T11:46:50Z","relation":"main_file","content_type":"application/pdf"}],"publisher":"American Physical Society","corr_author":"1","language":[{"iso":"eng"}],"month":"02","_id":"14980","date_updated":"2025-05-08T09:34:07Z","citation":{"ista":"Agafonova S, Mishra U, Diorico FR, Hosten O. 2024. Zigzag optical cavity for sensing and controlling torsional motion. Physical Review Research. 6(1), 013141.","apa":"Agafonova, S., Mishra, U., Diorico, F. R., &#38; Hosten, O. (2024). Zigzag optical cavity for sensing and controlling torsional motion. <i>Physical Review Research</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevresearch.6.013141\">https://doi.org/10.1103/physrevresearch.6.013141</a>","short":"S. Agafonova, U. Mishra, F.R. Diorico, O. Hosten, Physical Review Research 6 (2024).","ieee":"S. Agafonova, U. Mishra, F. R. Diorico, and O. Hosten, “Zigzag optical cavity for sensing and controlling torsional motion,” <i>Physical Review Research</i>, vol. 6, no. 1. American Physical Society, 2024.","ama":"Agafonova S, Mishra U, Diorico FR, Hosten O. Zigzag optical cavity for sensing and controlling torsional motion. <i>Physical Review Research</i>. 2024;6(1). doi:<a href=\"https://doi.org/10.1103/physrevresearch.6.013141\">10.1103/physrevresearch.6.013141</a>","mla":"Agafonova, Sofya, et al. “Zigzag Optical Cavity for Sensing and Controlling Torsional Motion.” <i>Physical Review Research</i>, vol. 6, no. 1, 013141, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/physrevresearch.6.013141\">10.1103/physrevresearch.6.013141</a>.","chicago":"Agafonova, Sofya, Umang Mishra, Fritz R Diorico, and Onur Hosten. “Zigzag Optical Cavity for Sensing and Controlling Torsional Motion.” <i>Physical Review Research</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/physrevresearch.6.013141\">https://doi.org/10.1103/physrevresearch.6.013141</a>."},"year":"2024","OA_place":"publisher","acknowledgement":"We thank Pere Rosselló for his contributions to the initial modeling of the presented sensing technique. This work was supported by Institute of Science and Technology Austria, and\r\nthe European Research Council under Grant No. 101087907 (ERC CoG QuHAMP).","article_processing_charge":"Yes","publication_identifier":{"eissn":["2643-1564"]},"quality_controlled":"1","publication":"Physical Review Research","ddc":["530"],"date_published":"2024-02-05T00:00:00Z","DOAJ_listed":"1","has_accepted_license":"1","type":"journal_article","arxiv":1,"title":"Zigzag optical cavity for sensing and controlling torsional motion","author":[{"orcid":"0000-0003-0582-2946","last_name":"Agafonova","id":"09501ff6-dca7-11ea-a8ae-b3e0b9166e80","first_name":"Sofya","full_name":"Agafonova, Sofya"},{"last_name":"Mishra","first_name":"Umang","id":"4328fa4c-f128-11eb-9611-c107b0fe4d51","full_name":"Mishra, Umang"},{"orcid":"0000-0002-4947-8924","last_name":"Diorico","id":"2E054C4C-F248-11E8-B48F-1D18A9856A87","first_name":"Fritz R","full_name":"Diorico, Fritz R"},{"full_name":"Hosten, Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","first_name":"Onur","last_name":"Hosten","orcid":"0000-0002-2031-204X"}],"doi":"10.1103/physrevresearch.6.013141","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","department":[{"_id":"OnHo"}],"project":[{"name":"A quantum hybrid of atoms and milligram-scale pendulums: towards gravitational quantum mechanics","_id":"bdb2a702-d553-11ed-ba76-f12e3e5a3bc6","grant_number":"101087907"}],"day":"05","publication_status":"published","status":"public","oa":1,"file_date_updated":"2024-02-12T11:46:50Z","issue":"1","intvolume":"         6","scopus_import":"1","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"external_id":{"arxiv":["2306.12804"]},"volume":6,"date_created":"2024-02-12T11:42:18Z","APC_amount":"2933,65 EUR","article_type":"original","article_number":"013141","abstract":[{"lang":"eng","text":"Precision sensing and manipulation of milligram-scale mechanical oscillators has attracted growing interest in the fields of table-top explorations of gravity and tests of quantum mechanics at macroscopic scales. Torsional oscillators present an opportunity in this regard due to their remarked isolation from environmental noise. For torsional motion, an effective employment of optical cavities to enhance optomechanical interactions—as already established for linear oscillators—so far faced certain challenges. Here, we propose a concept for sensing and manipulating torsional motion, where exclusively the torsional rotations of a pendulum are mapped onto the path length of a single two-mirror optical cavity. The concept inherently alleviates many limitations of previous approaches. A proof-of-principle experiment is conducted with a rigidly controlled pendulum to explore the sensing aspects of the concept and to identify practical limitations in a potential state-of-the art setup. Based on this study, we anticipate development of precision torque sensors utilizing torsional pendulums that can support sensitivities below 10−19Nm/√Hz, while the motion of the pendulums are dominated by quantum radiation pressure noise at sub-microwatts of incoming laser power. These developments will provide horizons for experiments at the interface of quantum mechanics and gravity."}],"OA_type":"gold","oa_version":"Published Version"},{"department":[{"_id":"GradSch"},{"_id":"OnHo"}],"user_id":"ba8df636-2132-11f1-aed0-ed93e2281fdd","doi":"10.15479/at:ista:17225","day":"11","project":[{"name":"A quantum hybrid of atoms and milligram-scale pendulums: towards gravitational quantum mechanics","grant_number":"101087907","_id":"bdb2a702-d553-11ed-ba76-f12e3e5a3bc6"}],"publication_status":"published","status":"public","file_date_updated":"2024-07-11T10:26:22Z","oa":1,"degree_awarded":"PhD","tmp":{"name":"Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","image":"/images/cc_by_nc_sa.png","short":"CC BY-NC-SA (4.0)","legal_code_url":"https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode"},"date_created":"2024-07-11T09:46:48Z","abstract":[{"lang":"eng","text":"This thesis describes the development of an atom interferometer designed to exploit the\r\nadvantages of utilizing quantum entanglement for enhanced precision measurements beyond\r\nthe standard quantum limit. While the project remains ongoing, significant progress has been\r\nmade.\r\nA key contribution of this work is the development of Quantrol, an experimental control\r\nsystem leveraging the ARTIQ framework. This software enables precise timing and control\r\nwithout requiring prior knowledge of ARTIQ’s implementation details or coding experience.\r\nThe interface offers user friendly visual comprehension of the experimental sequence and\r\nextended capabilities, allowing researchers to scan variables with a simple click of a mouse.\r\nThe main proposed project is to implement atom interferometric sequence with squeezed input\r\nstates inside of a dipole trap generated by a high finesse cavity. The presence of the dipole\r\ntrap allows one dimensional atomic cloud split while maintaining relatively strong confinement\r\nin other directions.\r\nWe are currently able to trap and cool 87Rb atoms to few micro kelvin temperatures, load\r\nthem into the dipole trap and state prepare them to be used for squeezing and interferometric\r\nsequence."}],"related_material":{"record":[{"status":"public","id":"11438","relation":"part_of_dissertation"}]},"oa_version":"Published Version","supervisor":[{"orcid":"0000-0002-2031-204X","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","last_name":"Hosten","full_name":"Hosten, Onur"}],"file":[{"content_type":"application/pdf","relation":"main_file","access_level":"open_access","date_updated":"2024-07-11T10:26:22Z","success":1,"file_name":"PhD_Thesis_Vyacheslav_Li_no_signatures_PDFA.pdf","checksum":"15b2dbe8d2c9ed7ca5dd413827928077","file_size":6729761,"date_created":"2024-07-11T10:26:22Z","file_id":"17228","creator":"vli"},{"relation":"source_file","content_type":"application/x-zip-compressed","date_updated":"2024-07-11T10:26:22Z","access_level":"closed","file_size":9542859,"checksum":"16e904a11d8d0ebb167cb654ddfc7fe5","date_created":"2024-07-11T10:26:22Z","file_name":"PhD Thesis Vyacheslav Li.zip","creator":"vli","file_id":"17229"}],"language":[{"iso":"eng"}],"publisher":"Institute of Science and Technology Austria","corr_author":"1","_id":"17225","citation":{"mla":"Li, Vyacheslav. <i>Towards a Quantum Entanglement Enhanced Atom Interferomter</i>. Institute of Science and Technology Austria, 2024, doi:<a href=\"https://doi.org/10.15479/at:ista:17225\">10.15479/at:ista:17225</a>.","ama":"Li V. Towards a quantum entanglement enhanced atom interferomter. 2024. doi:<a href=\"https://doi.org/10.15479/at:ista:17225\">10.15479/at:ista:17225</a>","ieee":"V. Li, “Towards a quantum entanglement enhanced atom interferomter,” Institute of Science and Technology Austria, 2024.","apa":"Li, V. (2024). <i>Towards a quantum entanglement enhanced atom interferomter</i>. Institute of Science and Technology Austria. <a href=\"https://doi.org/10.15479/at:ista:17225\">https://doi.org/10.15479/at:ista:17225</a>","short":"V. Li, Towards a Quantum Entanglement Enhanced Atom Interferomter, Institute of Science and Technology Austria, 2024.","ista":"Li V. 2024. Towards a quantum entanglement enhanced atom interferomter. Institute of Science and Technology Austria.","chicago":"Li, Vyacheslav. “Towards a Quantum Entanglement Enhanced Atom Interferomter.” Institute of Science and Technology Austria, 2024. <a href=\"https://doi.org/10.15479/at:ista:17225\">https://doi.org/10.15479/at:ista:17225</a>."},"page":"79","date_updated":"2026-04-07T12:42:28Z","month":"07","year":"2024","OA_place":"publisher","article_processing_charge":"No","publication_identifier":{"issn":["2663-337X"]},"ddc":["530"],"date_published":"2024-07-11T00:00:00Z","has_accepted_license":"1","type":"dissertation","author":[{"first_name":"Vyacheslav","id":"3A4FAA92-F248-11E8-B48F-1D18A9856A87","last_name":"Li","full_name":"Li, Vyacheslav"}],"alternative_title":["ISTA Thesis"],"title":"Towards a quantum entanglement enhanced atom interferomter"},{"publication_status":"published","status":"public","doi":"10.1103/PhysRevA.107.L061304","department":[{"_id":"MiLe"},{"_id":"OnHo"}],"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","project":[{"call_identifier":"H2020","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","name":"Angulon: physics and applications of a new quasiparticle"}],"day":"20","issue":"6","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2302.01022"}],"oa":1,"scopus_import":"1","external_id":{"arxiv":["2302.01022"],"isi":["001019748000005"]},"intvolume":"       107","oa_version":"Preprint","date_created":"2023-07-16T22:01:10Z","volume":107,"article_type":"letter_note","article_number":"L061304","abstract":[{"text":"We study the impact of finite-range physics on the zero-range-model analysis of three-body recombination in ultracold atoms. We find that temperature dependence of the zero-range parameters can vary from one set of measurements to another as it may be driven by the distribution of error bars in the experiment, and not by the underlying three-body physics. To study finite-temperature effects in three-body recombination beyond the zero-range physics, we introduce and examine a finite-range model based upon a hyperspherical formalism. The systematic error discussed in this Letter may provide a significant contribution to the error bars of measured three-body parameters.","lang":"eng"}],"publisher":"American Physical Society","corr_author":"1","language":[{"iso":"eng"}],"month":"06","_id":"13233","citation":{"ista":"Agafonova S, Lemeshko M, Volosniev A. 2023. Finite-range bias in fitting three-body loss to the zero-range model. Physical Review A. 107(6), L061304.","apa":"Agafonova, S., Lemeshko, M., &#38; Volosniev, A. (2023). Finite-range bias in fitting three-body loss to the zero-range model. <i>Physical Review A</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevA.107.L061304\">https://doi.org/10.1103/PhysRevA.107.L061304</a>","short":"S. Agafonova, M. Lemeshko, A. Volosniev, Physical Review A 107 (2023).","ieee":"S. Agafonova, M. Lemeshko, and A. Volosniev, “Finite-range bias in fitting three-body loss to the zero-range model,” <i>Physical Review A</i>, vol. 107, no. 6. American Physical Society, 2023.","ama":"Agafonova S, Lemeshko M, Volosniev A. Finite-range bias in fitting three-body loss to the zero-range model. <i>Physical Review A</i>. 2023;107(6). doi:<a href=\"https://doi.org/10.1103/PhysRevA.107.L061304\">10.1103/PhysRevA.107.L061304</a>","mla":"Agafonova, Sofya, et al. “Finite-Range Bias in Fitting Three-Body Loss to the Zero-Range Model.” <i>Physical Review A</i>, vol. 107, no. 6, L061304, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevA.107.L061304\">10.1103/PhysRevA.107.L061304</a>.","chicago":"Agafonova, Sofya, Mikhail Lemeshko, and Artem Volosniev. “Finite-Range Bias in Fitting Three-Body Loss to the Zero-Range Model.” <i>Physical Review A</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevA.107.L061304\">https://doi.org/10.1103/PhysRevA.107.L061304</a>."},"date_updated":"2025-04-14T07:48:53Z","acknowledgement":"We thank Jan Arlt, Hans-Werner Hammer, and Karsten Riisager for useful discussions. M.L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON).","year":"2023","publication":"Physical Review A","article_processing_charge":"No","publication_identifier":{"eissn":["2469-9934"],"issn":["2469-9926"]},"quality_controlled":"1","isi":1,"ec_funded":1,"arxiv":1,"title":"Finite-range bias in fitting three-body loss to the zero-range model","author":[{"orcid":"0000-0003-0582-2946","full_name":"Agafonova, Sofya","id":"09501ff6-dca7-11ea-a8ae-b3e0b9166e80","first_name":"Sofya","last_name":"Agafonova"},{"first_name":"Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","full_name":"Lemeshko, Mikhail","orcid":"0000-0002-6990-7802"},{"full_name":"Volosniev, Artem","last_name":"Volosniev","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","first_name":"Artem","orcid":"0000-0003-0393-5525"}],"date_published":"2023-06-20T00:00:00Z","type":"journal_article"},{"publication_status":"published","status":"public","doi":"10.1364/ol.495553","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","department":[{"_id":"OnHo"}],"day":"21","issue":"15","keyword":["Atomic and Molecular Physics","and Optics"],"main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2212.01266","open_access":"1"}],"oa":1,"scopus_import":"1","external_id":{"arxiv":["2212.01266"],"isi":["001051044600008"]},"intvolume":"        48","oa_version":"Preprint","date_created":"2024-01-08T13:01:46Z","volume":48,"article_type":"original","abstract":[{"lang":"eng","text":"We unveil a powerful method for the stabilization of laser injection locking based on sensing variations in the output beam ellipticity of an optically seeded laser. The effect arises due to an interference between the seeding beam and the injected laser output. We demonstrate the method for a commercial semiconductor laser without the need for any internal changes to the readily operational injection locked laser system that was used. The method can also be used to increase the mode-hop free tuning range of lasers, and has the potential to fill a void in the low-noise laser industry."}],"publisher":"Optica Publishing Group","corr_author":"1","language":[{"iso":"eng"}],"month":"07","_id":"14749","page":"3973-3976","date_updated":"2025-12-16T12:52:55Z","citation":{"chicago":"Mishra, Umang, Vyacheslav Li, Sebastian Wald, Sofya Agafonova, Fritz R Diorico, and Onur Hosten. “Monitoring and Active Stabilization of Laser Injection Locking Using Beam Ellipticity.” <i>Optics Letters</i>. Optica Publishing Group, 2023. <a href=\"https://doi.org/10.1364/ol.495553\">https://doi.org/10.1364/ol.495553</a>.","ista":"Mishra U, Li V, Wald S, Agafonova S, Diorico FR, Hosten O. 2023. Monitoring and active stabilization of laser injection locking using beam ellipticity. Optics Letters. 48(15), 3973–3976.","short":"U. Mishra, V. Li, S. Wald, S. Agafonova, F.R. Diorico, O. Hosten, Optics Letters 48 (2023) 3973–3976.","apa":"Mishra, U., Li, V., Wald, S., Agafonova, S., Diorico, F. R., &#38; Hosten, O. (2023). Monitoring and active stabilization of laser injection locking using beam ellipticity. <i>Optics Letters</i>. Optica Publishing Group. <a href=\"https://doi.org/10.1364/ol.495553\">https://doi.org/10.1364/ol.495553</a>","ieee":"U. Mishra, V. Li, S. Wald, S. Agafonova, F. R. Diorico, and O. Hosten, “Monitoring and active stabilization of laser injection locking using beam ellipticity,” <i>Optics Letters</i>, vol. 48, no. 15. Optica Publishing Group, pp. 3973–3976, 2023.","mla":"Mishra, Umang, et al. “Monitoring and Active Stabilization of Laser Injection Locking Using Beam Ellipticity.” <i>Optics Letters</i>, vol. 48, no. 15, Optica Publishing Group, 2023, pp. 3973–76, doi:<a href=\"https://doi.org/10.1364/ol.495553\">10.1364/ol.495553</a>.","ama":"Mishra U, Li V, Wald S, Agafonova S, Diorico FR, Hosten O. Monitoring and active stabilization of laser injection locking using beam ellipticity. <i>Optics Letters</i>. 2023;48(15):3973-3976. doi:<a href=\"https://doi.org/10.1364/ol.495553\">10.1364/ol.495553</a>"},"year":"2023","publication":"Optics Letters","article_processing_charge":"No","publication_identifier":{"issn":["0146-9592"],"eissn":["1539-4794"]},"quality_controlled":"1","isi":1,"arxiv":1,"title":"Monitoring and active stabilization of laser injection locking using beam ellipticity","author":[{"id":"4328fa4c-f128-11eb-9611-c107b0fe4d51","first_name":"Umang","last_name":"Mishra","full_name":"Mishra, Umang"},{"first_name":"Vyacheslav","id":"3A4FAA92-F248-11E8-B48F-1D18A9856A87","last_name":"Li","full_name":"Li, Vyacheslav"},{"orcid":"0000-0002-5869-1604","full_name":"Wald, Sebastian","first_name":"Sebastian","id":"133F200A-B015-11E9-AD41-0EDAE5697425","last_name":"Wald"},{"full_name":"Agafonova, Sofya","id":"09501ff6-dca7-11ea-a8ae-b3e0b9166e80","first_name":"Sofya","last_name":"Agafonova","orcid":"0000-0003-0582-2946"},{"last_name":"Diorico","id":"2E054C4C-F248-11E8-B48F-1D18A9856A87","first_name":"Fritz R","full_name":"Diorico, Fritz R","orcid":"0000-0002-4947-8924"},{"full_name":"Hosten, Onur","last_name":"Hosten","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2031-204X"}],"date_published":"2023-07-21T00:00:00Z","type":"journal_article"},{"publication_status":"published","status":"public","department":[{"_id":"AnHi"},{"_id":"OnHo"}],"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","acknowledged_ssus":[{"_id":"NanoFab"},{"_id":"M-Shop"}],"doi":"10.1103/PhysRevApplied.19.064032","day":"09","issue":"6","oa":1,"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2206.05746"}],"scopus_import":"1","external_id":{"isi":["001012022600004"],"arxiv":["2206.05746"]},"intvolume":"        19","oa_version":"Preprint","article_type":"original","volume":19,"date_created":"2023-07-23T22:01:12Z","abstract":[{"text":"We build a parametric amplifier with a Josephson field-effect transistor (JoFET) as the active element. The resonant frequency of the device is field-effect tunable over a range of 2 GHz. The JoFET amplifier has 20 dB of gain, 4 MHz of instantaneous bandwidth, and a 1-dB compression point of -125.5 dBm when operated at a fixed resonance frequency.\r\n\r\n","lang":"eng"}],"related_material":{"record":[{"relation":"dissertation_contains","id":"14547","status":"public"}]},"article_number":"064032","language":[{"iso":"eng"}],"corr_author":"1","publisher":"American Physical Society","_id":"13264","date_updated":"2026-04-07T13:25:51Z","citation":{"chicago":"Phan, Duc T, Paul Falthansl-Scheinecker, Umang Mishra, W. M. Strickland, D. Langone, J. Shabani, and Andrew P Higginbotham. “Gate-Tunable Superconductor-Semiconductor Parametric Amplifier.” <i>Physical Review Applied</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevApplied.19.064032\">https://doi.org/10.1103/PhysRevApplied.19.064032</a>.","short":"D.T. Phan, P. Falthansl-Scheinecker, U. Mishra, W.M. Strickland, D. Langone, J. Shabani, A.P. Higginbotham, Physical Review Applied 19 (2023).","apa":"Phan, D. T., Falthansl-Scheinecker, P., Mishra, U., Strickland, W. M., Langone, D., Shabani, J., &#38; Higginbotham, A. P. (2023). Gate-tunable superconductor-semiconductor parametric amplifier. <i>Physical Review Applied</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevApplied.19.064032\">https://doi.org/10.1103/PhysRevApplied.19.064032</a>","ista":"Phan DT, Falthansl-Scheinecker P, Mishra U, Strickland WM, Langone D, Shabani J, Higginbotham AP. 2023. Gate-tunable superconductor-semiconductor parametric amplifier. Physical Review Applied. 19(6), 064032.","ama":"Phan DT, Falthansl-Scheinecker P, Mishra U, et al. Gate-tunable superconductor-semiconductor parametric amplifier. <i>Physical Review Applied</i>. 2023;19(6). doi:<a href=\"https://doi.org/10.1103/PhysRevApplied.19.064032\">10.1103/PhysRevApplied.19.064032</a>","mla":"Phan, Duc T., et al. “Gate-Tunable Superconductor-Semiconductor Parametric Amplifier.” <i>Physical Review Applied</i>, vol. 19, no. 6, 064032, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevApplied.19.064032\">10.1103/PhysRevApplied.19.064032</a>.","ieee":"D. T. Phan <i>et al.</i>, “Gate-tunable superconductor-semiconductor parametric amplifier,” <i>Physical Review Applied</i>, vol. 19, no. 6. American Physical Society, 2023."},"month":"06","acknowledgement":"We thank Shyam Shankar for helpful feedback on the manuscript. We gratefully acknowledge the support of the ISTA nanofabrication facility, the Miba Machine Shop, and the eMachine Shop. The NYU team acknowledges support from Army Research Office Grant No. W911NF2110303.","year":"2023","publication":"Physical Review Applied","article_processing_charge":"No","quality_controlled":"1","publication_identifier":{"eissn":["2331-7019"]},"arxiv":1,"isi":1,"author":[{"last_name":"Phan","first_name":"Duc T","id":"29C8C0B4-F248-11E8-B48F-1D18A9856A87","full_name":"Phan, Duc T"},{"full_name":"Falthansl-Scheinecker, Paul","last_name":"Falthansl-Scheinecker","id":"85b43b21-15b2-11ec-abd3-e2c252cc2285","first_name":"Paul"},{"full_name":"Mishra, Umang","id":"4328fa4c-f128-11eb-9611-c107b0fe4d51","first_name":"Umang","last_name":"Mishra"},{"last_name":"Strickland","first_name":"W. M.","full_name":"Strickland, W. M."},{"first_name":"D.","last_name":"Langone","full_name":"Langone, D."},{"last_name":"Shabani","first_name":"J.","full_name":"Shabani, J."},{"orcid":"0000-0003-2607-2363","id":"4AD6785A-F248-11E8-B48F-1D18A9856A87","first_name":"Andrew P","last_name":"Higginbotham","full_name":"Higginbotham, Andrew P"}],"title":"Gate-tunable superconductor-semiconductor parametric amplifier","date_published":"2023-06-09T00:00:00Z","type":"journal_article"},{"publication_identifier":{"eissn":["2155-3165"],"issn":["1559-128X"]},"quality_controlled":"1","article_processing_charge":"No","publication":"Applied Optics","type":"journal_article","date_published":"2023-01-01T00:00:00Z","title":"Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone","author":[{"last_name":"Wald","id":"133F200A-B015-11E9-AD41-0EDAE5697425","first_name":"Sebastian","full_name":"Wald, Sebastian","orcid":"0000-0002-5869-1604"},{"full_name":"Diorico, Fritz R","first_name":"Fritz R","id":"2E054C4C-F248-11E8-B48F-1D18A9856A87","last_name":"Diorico","orcid":"0000-0002-4947-8924"},{"orcid":"0000-0002-2031-204X","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","last_name":"Hosten","full_name":"Hosten, Onur"}],"isi":1,"arxiv":1,"month":"01","_id":"14759","date_updated":"2026-06-18T22:30:04Z","page":"1-7","citation":{"chicago":"Wald, Sebastian, Fritz R Diorico, and Onur Hosten. “Analog Stabilization of an Electro-Optic I/Q Modulator with an Auxiliary Modulation Tone.” <i>Applied Optics</i>. Optica Publishing Group, 2023. <a href=\"https://doi.org/10.1364/ao.474118\">https://doi.org/10.1364/ao.474118</a>.","ama":"Wald S, Diorico FR, Hosten O. Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone. <i>Applied Optics</i>. 2023;62(1):1-7. doi:<a href=\"https://doi.org/10.1364/ao.474118\">10.1364/ao.474118</a>","mla":"Wald, Sebastian, et al. “Analog Stabilization of an Electro-Optic I/Q Modulator with an Auxiliary Modulation Tone.” <i>Applied Optics</i>, vol. 62, no. 1, Optica Publishing Group, 2023, pp. 1–7, doi:<a href=\"https://doi.org/10.1364/ao.474118\">10.1364/ao.474118</a>.","ieee":"S. Wald, F. R. Diorico, and O. Hosten, “Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone,” <i>Applied Optics</i>, vol. 62, no. 1. Optica Publishing Group, pp. 1–7, 2023.","short":"S. Wald, F.R. Diorico, O. Hosten, Applied Optics 62 (2023) 1–7.","apa":"Wald, S., Diorico, F. R., &#38; Hosten, O. (2023). Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone. <i>Applied Optics</i>. Optica Publishing Group. <a href=\"https://doi.org/10.1364/ao.474118\">https://doi.org/10.1364/ao.474118</a>","ista":"Wald S, Diorico FR, Hosten O. 2023. Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone. Applied Optics. 62(1), 1–7."},"corr_author":"1","publisher":"Optica Publishing Group","language":[{"iso":"eng"}],"year":"2023","acknowledgement":"We thank Jakob Vorlaufer for technical contributions and Vyacheslav Li and Sofia Agafonova for comments on the manuscript.","intvolume":"        62","external_id":{"isi":["000906607900001"],"arxiv":["2208.11591"]},"scopus_import":"1","related_material":{"record":[{"relation":"dissertation_contains","id":"20798","status":"public"}]},"abstract":[{"lang":"eng","text":"Proper operation of electro-optic I/Q modulators relies on precise adjustment and control of the relative phase biases between the modulator’s internal interferometer arms. We present an all-analog phase bias locking scheme where error signals are obtained from the beat between the optical carrier and optical tones generated by an auxiliary 2 MHz 𝑅𝐹 tone to lock the phases of all three involved interferometers for operation up to 10 GHz. With the developed method, we demonstrate an I/Q modulator in carrier-suppressed single-sideband mode, where the suppressed carrier and sideband are locked at optical power levels <−27dB\r\n relative to the transmitted sideband. We describe a simple analytical model for calculating the error signals and detail the implementation of the electronic circuitry for the implementation of the method."}],"volume":62,"date_created":"2024-01-08T13:19:14Z","article_type":"original","oa_version":"Preprint","day":"01","doi":"10.1364/ao.474118","department":[{"_id":"OnHo"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","status":"public","publication_status":"published","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2208.11591"}],"oa":1,"keyword":["Atomic and Molecular Physics","and Optics","Engineering (miscellaneous)","Electrical and Electronic Engineering"],"issue":"1"},{"file":[{"date_updated":"2022-01-24T11:12:44Z","access_level":"open_access","success":1,"content_type":"application/pdf","relation":"main_file","file_id":"10660","creator":"cchlebak","file_name":"2022_PhysRevResearch_Hosten.pdf","file_size":236329,"checksum":"7254d267a0633ca5d63131d345e58686","date_created":"2022-01-24T11:12:44Z"}],"corr_author":"1","publisher":"American Physical Society","language":[{"iso":"eng"}],"month":"01","citation":{"ieee":"O. Hosten, “Constraints on probing quantum coherence to infer gravitational entanglement,” <i>Physical Review Research</i>, vol. 4, no. 1. American Physical Society, 2022.","ama":"Hosten O. Constraints on probing quantum coherence to infer gravitational entanglement. <i>Physical Review Research</i>. 2022;4(1). doi:<a href=\"https://doi.org/10.1103/PhysRevResearch.4.013023\">10.1103/PhysRevResearch.4.013023</a>","mla":"Hosten, Onur. “Constraints on Probing Quantum Coherence to Infer Gravitational Entanglement.” <i>Physical Review Research</i>, vol. 4, no. 1, 013023, American Physical Society, 2022, doi:<a href=\"https://doi.org/10.1103/PhysRevResearch.4.013023\">10.1103/PhysRevResearch.4.013023</a>.","ista":"Hosten O. 2022. Constraints on probing quantum coherence to infer gravitational entanglement. Physical Review Research. 4(1), 013023.","apa":"Hosten, O. (2022). Constraints on probing quantum coherence to infer gravitational entanglement. <i>Physical Review Research</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevResearch.4.013023\">https://doi.org/10.1103/PhysRevResearch.4.013023</a>","short":"O. Hosten, Physical Review Research 4 (2022).","chicago":"Hosten, Onur. “Constraints on Probing Quantum Coherence to Infer Gravitational Entanglement.” <i>Physical Review Research</i>. American Physical Society, 2022. <a href=\"https://doi.org/10.1103/PhysRevResearch.4.013023\">https://doi.org/10.1103/PhysRevResearch.4.013023</a>."},"_id":"10652","date_updated":"2024-10-09T21:01:26Z","year":"2022","acknowledgement":"O.H. is supported by Institute of Science and Technology Austria. The author thanks Jess Riedel for discussions.","article_processing_charge":"Yes (via OA deal)","publication_identifier":{"issn":["2643-1564"]},"quality_controlled":"1","publication":"Physical Review Research","ddc":["530"],"date_published":"2022-01-10T00:00:00Z","has_accepted_license":"1","type":"journal_article","title":"Constraints on probing quantum coherence to infer gravitational entanglement","author":[{"orcid":"0000-0002-2031-204X","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","last_name":"Hosten","full_name":"Hosten, Onur"}],"doi":"10.1103/PhysRevResearch.4.013023","department":[{"_id":"OnHo"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","day":"10","publication_status":"published","status":"public","oa":1,"file_date_updated":"2022-01-24T11:12:44Z","issue":"1","intvolume":"         4","scopus_import":"1","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"date_created":"2022-01-23T23:01:27Z","volume":4,"article_type":"original","article_number":"013023","abstract":[{"text":"Finding a feasible scheme for testing the quantum mechanical nature of the gravitational interaction has been attracting an increasing level of attention. Gravity mediated entanglement generation so far appears to be the key ingredient for a potential experiment. In a recent proposal [D. Carney et al., PRX Quantum 2, 030330 (2021)] combining an atom interferometer with a low-frequency mechanical oscillator, a coherence revival test is proposed for verifying this entanglement generation. With measurements performed only on the atoms, this protocol bypasses the need for correlation measurements. Here, we explore formulations of such a protocol, and specifically find that in the envisioned regime of operation with high thermal excitation, semiclassical models, where there is no concept of entanglement, also give the same experimental signatures. We elucidate in a fully quantum mechanical calculation that entanglement is not the source of the revivals in the relevant parameter regime. We argue that, in its current form, the suggested test is only relevant if the oscillator is nearly in a pure quantum state, and in this regime the effects are too small to be measurable. We further discuss potential open ends. The results highlight the importance and subtleties of explicitly considering how the quantum case differs from the classical expectations when testing for the quantum mechanical nature of a physical system.","lang":"eng"}],"oa_version":"Published Version"},{"_id":"11438","citation":{"ista":"Li V, Diorico FR, Hosten O. 2022. Laser frequency-offset locking at 10-Hz-level instability using hybrid electronic filters. Physical Review Applied. 17(5), 054031.","apa":"Li, V., Diorico, F. R., &#38; Hosten, O. (2022). Laser frequency-offset locking at 10-Hz-level instability using hybrid electronic filters. <i>Physical Review Applied</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevapplied.17.054031\">https://doi.org/10.1103/physrevapplied.17.054031</a>","short":"V. Li, F.R. Diorico, O. Hosten, Physical Review Applied 17 (2022).","ieee":"V. Li, F. R. Diorico, and O. Hosten, “Laser frequency-offset locking at 10-Hz-level instability using hybrid electronic filters,” <i>Physical Review Applied</i>, vol. 17, no. 5. American Physical Society, 2022.","mla":"Li, Vyacheslav, et al. “Laser Frequency-Offset Locking at 10-Hz-Level Instability Using Hybrid Electronic Filters.” <i>Physical Review Applied</i>, vol. 17, no. 5, 054031, American Physical Society, 2022, doi:<a href=\"https://doi.org/10.1103/physrevapplied.17.054031\">10.1103/physrevapplied.17.054031</a>.","ama":"Li V, Diorico FR, Hosten O. Laser frequency-offset locking at 10-Hz-level instability using hybrid electronic filters. <i>Physical Review Applied</i>. 2022;17(5). doi:<a href=\"https://doi.org/10.1103/physrevapplied.17.054031\">10.1103/physrevapplied.17.054031</a>","chicago":"Li, Vyacheslav, Fritz R Diorico, and Onur Hosten. “Laser Frequency-Offset Locking at 10-Hz-Level Instability Using Hybrid Electronic Filters.” <i>Physical Review Applied</i>. American Physical Society, 2022. <a href=\"https://doi.org/10.1103/physrevapplied.17.054031\">https://doi.org/10.1103/physrevapplied.17.054031</a>."},"date_updated":"2026-04-07T12:42:28Z","month":"05","language":[{"iso":"eng"}],"corr_author":"1","publisher":"American Physical Society","acknowledgement":"This work was supported by IST Austria. The authors thank Yueheng Shi for technical contributions.","year":"2022","publication":"Physical Review Applied","quality_controlled":"1","publication_identifier":{"issn":["2331-7019"]},"article_processing_charge":"No","author":[{"full_name":"Li, Vyacheslav","id":"3A4FAA92-F248-11E8-B48F-1D18A9856A87","first_name":"Vyacheslav","last_name":"Li"},{"orcid":"0000-0002-4947-8924","full_name":"Diorico, Fritz R","id":"2E054C4C-F248-11E8-B48F-1D18A9856A87","first_name":"Fritz R","last_name":"Diorico"},{"full_name":"Hosten, Onur","last_name":"Hosten","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2031-204X"}],"title":"Laser frequency-offset locking at 10-Hz-level instability using hybrid electronic filters","arxiv":1,"isi":1,"type":"journal_article","date_published":"2022-05-19T00:00:00Z","status":"public","publication_status":"published","day":"19","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","department":[{"_id":"GradSch"},{"_id":"OnHo"}],"doi":"10.1103/physrevapplied.17.054031","issue":"5","main_file_link":[{"url":" https://doi.org/10.48550/arXiv.2111.13194","open_access":"1"}],"oa":1,"keyword":["General Physics and Astronomy"],"external_id":{"isi":["000880670300001"],"arxiv":["2111.13194"]},"scopus_import":"1","intvolume":"        17","oa_version":"Preprint","abstract":[{"text":"Lasers with well-controlled relative frequencies are indispensable for many applications in science and technology. We present a frequency-offset locking method for lasers based on beat-frequency discrimination utilizing hybrid electronic LC filters. The method is specifically designed for decoupling the tightness of the lock from the broadness of its capture range. The presented demonstration locks two free-running diode lasers at 780 nm with a 5.5-GHz offset. It displays an offset frequency instability below 55 Hz for time scales in excess of 1000 s and a minimum of 12 Hz at 10-s averaging. The performance is complemented with a 190-MHz lock-capture range, a tuning range of up to 1 GHz, and a frequency ramp agility of 200kHz/μs.","lang":"eng"}],"related_material":{"record":[{"status":"public","id":"17225","relation":"dissertation_contains"}]},"article_number":"054031","article_type":"original","volume":17,"date_created":"2022-06-07T08:07:59Z"},{"year":"2021","acknowledgement":"We acknowledge fruitful discussions with John Close, Chris Freier, Kyle Hardman, Joseph Hope, and Paul Wigley, and insightful suggestions made by Franck Pereira dos Santos on behalf of the Atom Interferometry and Inertial Sensors team at SYRTE. S.S.S. was supported by an Australian Research Council Discovery Early Career Researcher Award (DECRA), Project No. DE200100495. O.H. was supported by IST Austria.","month":"04","citation":{"apa":"Szigeti, S. S., Hosten, O., &#38; Haine, S. A. (2021). Improving cold-atom sensors with quantum entanglement: Prospects and challenges. <i>Applied Physics Letters</i>. AIP Publishing. <a href=\"https://doi.org/10.1063/5.0050235\">https://doi.org/10.1063/5.0050235</a>","short":"S.S. Szigeti, O. Hosten, S.A. Haine, Applied Physics Letters 118 (2021).","ista":"Szigeti SS, Hosten O, Haine SA. 2021. Improving cold-atom sensors with quantum entanglement: Prospects and challenges. Applied Physics Letters. 118(14), 140501.","ama":"Szigeti SS, Hosten O, Haine SA. Improving cold-atom sensors with quantum entanglement: Prospects and challenges. <i>Applied Physics Letters</i>. 2021;118(14). doi:<a href=\"https://doi.org/10.1063/5.0050235\">10.1063/5.0050235</a>","mla":"Szigeti, Stuart S., et al. “Improving Cold-Atom Sensors with Quantum Entanglement: Prospects and Challenges.” <i>Applied Physics Letters</i>, vol. 118, no. 14, 140501, AIP Publishing, 2021, doi:<a href=\"https://doi.org/10.1063/5.0050235\">10.1063/5.0050235</a>.","ieee":"S. S. Szigeti, O. Hosten, and S. A. Haine, “Improving cold-atom sensors with quantum entanglement: Prospects and challenges,” <i>Applied Physics Letters</i>, vol. 118, no. 14. AIP Publishing, 2021.","chicago":"Szigeti, Stuart S., Onur Hosten, and Simon A. Haine. “Improving Cold-Atom Sensors with Quantum Entanglement: Prospects and Challenges.” <i>Applied Physics Letters</i>. AIP Publishing, 2021. <a href=\"https://doi.org/10.1063/5.0050235\">https://doi.org/10.1063/5.0050235</a>."},"_id":"9331","date_updated":"2025-07-10T12:01:43Z","corr_author":"1","publisher":"AIP Publishing","language":[{"iso":"eng"}],"type":"journal_article","date_published":"2021-04-07T00:00:00Z","title":"Improving cold-atom sensors with quantum entanglement: Prospects and challenges","author":[{"full_name":"Szigeti, Stuart S.","first_name":"Stuart S.","last_name":"Szigeti"},{"full_name":"Hosten, Onur","first_name":"Onur","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","last_name":"Hosten","orcid":"0000-0002-2031-204X"},{"full_name":"Haine, Simon A.","first_name":"Simon A.","last_name":"Haine"}],"isi":1,"arxiv":1,"publication_identifier":{"issn":["0003-6951"]},"quality_controlled":"1","article_processing_charge":"No","publication":"Applied Physics Letters","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2010.09168"}],"oa":1,"issue":"14","day":"07","doi":"10.1063/5.0050235","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","department":[{"_id":"OnHo"}],"status":"public","publication_status":"published","article_number":"140501","abstract":[{"lang":"eng","text":"Quantum entanglement has been generated and verified in cold-atom experiments and used to make atom-interferometric measurements below the shot-noise limit. However, current state-of-the-art cold-atom devices exploit separable (i.e., unentangled) atomic states. This perspective piece asks the question: can entanglement usefully improve cold-atom sensors, in the sense that it gives new sensing capabilities unachievable with current state-of-the-art devices? We briefly review the state-of-the-art in precision cold-atom sensing, focusing on clocks and inertial sensors, identifying the potential benefits entanglement could bring to these devices, and the challenges that need to be overcome to realize these benefits. We survey demonstrated methods of generating metrologically useful entanglement in cold-atom systems, note their relative strengths and weaknesses, and assess their prospects for near-to-medium term quantum-enhanced cold-atom sensing."}],"date_created":"2021-04-18T22:01:40Z","volume":118,"article_type":"original","oa_version":"Preprint","intvolume":"       118","external_id":{"arxiv":["2010.09168"],"isi":["000637702100001"]},"scopus_import":"1"},{"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","department":[{"_id":"OnHo"}],"doi":"10.1103/PhysRevLett.125.043202","day":"24","publication_status":"published","status":"public","main_file_link":[{"url":"https://arxiv.org/abs/1912.10218","open_access":"1"}],"oa":1,"issue":"4","intvolume":"       125","scopus_import":"1","external_id":{"pmid":["32794788"],"isi":["000552227400008"],"arxiv":["1912.10218"]},"article_type":"original","date_created":"2020-08-24T06:24:04Z","volume":125,"abstract":[{"text":"We demonstrate the utility of optical cavity generated spin-squeezed states in free space atomic fountain clocks in ensembles of 390 000 87Rb atoms. Fluorescence imaging, correlated to an initial quantum nondemolition measurement, is used for population spectroscopy after the atoms are released from a confining lattice. For a free fall time of 4 milliseconds, we resolve a single-shot phase sensitivity of 814(61) microradians, which is 5.8(0.6) decibels (dB) below the quantum projection limit. We observe that this squeezing is preserved as the cloud expands to a roughly 200  μm radius and falls roughly 300  μm in free space. Ramsey spectroscopy with 240 000 atoms at a 3.6 ms Ramsey time results in a single-shot fractional frequency stability of 8.4(0.2)×10−12, 3.8(0.2) dB below the quantum projection limit. The sensitivity and stability are limited by the technical noise in the fluorescence detection protocol and the microwave system, respectively.","lang":"eng"}],"article_number":"043202","oa_version":"Preprint","pmid":1,"language":[{"iso":"eng"}],"publisher":"American Physical Society","citation":{"mla":"Malia, Benjamin K., et al. “Free Space Ramsey Spectroscopy in Rubidium with Noise below the Quantum Projection Limit.” <i>Physical Review Letters</i>, vol. 125, no. 4, 043202, American Physical Society, 2020, doi:<a href=\"https://doi.org/10.1103/PhysRevLett.125.043202\">10.1103/PhysRevLett.125.043202</a>.","ama":"Malia BK, Martínez-Rincón J, Wu Y, Hosten O, Kasevich MA. Free space Ramsey spectroscopy in rubidium with noise below the quantum projection limit. <i>Physical Review Letters</i>. 2020;125(4). doi:<a href=\"https://doi.org/10.1103/PhysRevLett.125.043202\">10.1103/PhysRevLett.125.043202</a>","ieee":"B. K. Malia, J. Martínez-Rincón, Y. Wu, O. Hosten, and M. A. Kasevich, “Free space Ramsey spectroscopy in rubidium with noise below the quantum projection limit,” <i>Physical Review Letters</i>, vol. 125, no. 4. American Physical Society, 2020.","apa":"Malia, B. K., Martínez-Rincón, J., Wu, Y., Hosten, O., &#38; Kasevich, M. A. (2020). Free space Ramsey spectroscopy in rubidium with noise below the quantum projection limit. <i>Physical Review Letters</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevLett.125.043202\">https://doi.org/10.1103/PhysRevLett.125.043202</a>","short":"B.K. Malia, J. Martínez-Rincón, Y. Wu, O. Hosten, M.A. Kasevich, Physical Review Letters 125 (2020).","ista":"Malia BK, Martínez-Rincón J, Wu Y, Hosten O, Kasevich MA. 2020. Free space Ramsey spectroscopy in rubidium with noise below the quantum projection limit. Physical Review Letters. 125(4), 043202.","chicago":"Malia, Benjamin K., Julián Martínez-Rincón, Yunfan Wu, Onur Hosten, and Mark A. Kasevich. “Free Space Ramsey Spectroscopy in Rubidium with Noise below the Quantum Projection Limit.” <i>Physical Review Letters</i>. American Physical Society, 2020. <a href=\"https://doi.org/10.1103/PhysRevLett.125.043202\">https://doi.org/10.1103/PhysRevLett.125.043202</a>."},"_id":"8285","date_updated":"2023-10-18T08:38:35Z","month":"07","year":"2020","acknowledgement":"This work is supported by the Office of Naval Research (N00014-16-1-2927- A00003), Vannevar Bush Faculty Fellowship (N00014-16-1-2812- P00005), Department of Energy (DE-SC0019174- 0001), and Defense Threat Reduction Agency (HDTRA1-15-1-0017- P00005).","article_processing_charge":"No","quality_controlled":"1","publication_identifier":{"eissn":["1079-7114"],"issn":["0031-9007"]},"publication":"Physical Review Letters","date_published":"2020-07-24T00:00:00Z","type":"journal_article","arxiv":1,"isi":1,"author":[{"full_name":"Malia, Benjamin K.","first_name":"Benjamin K.","last_name":"Malia"},{"last_name":"Martínez-Rincón","first_name":"Julián","full_name":"Martínez-Rincón, Julián"},{"first_name":"Yunfan","last_name":"Wu","full_name":"Wu, Yunfan"},{"full_name":"Hosten, Onur","last_name":"Hosten","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","first_name":"Onur","orcid":"0000-0002-2031-204X"},{"first_name":"Mark A.","last_name":"Kasevich","full_name":"Kasevich, Mark A."}],"title":"Free space Ramsey spectroscopy in rubidium with noise below the quantum projection limit"},{"acknowledgement":"We thank N. Engelsen for comments on the manuscript. This work was supported by the Office of Naval Research, Vannevar Bush Faculty Fellowship, Department of Energy, and Defense Threat Reduction Agency. R.K. was partly supported by the AQT/INQNET program at Caltech.","year":"2020","language":[{"iso":"eng"}],"publisher":"American Physical Society","_id":"8319","date_updated":"2025-07-10T11:55:14Z","citation":{"apa":"Wu, Y., Krishnakumar, R., Martínez-Rincón, J., Malia, B. K., Hosten, O., &#38; Kasevich, M. A. (2020). Retrieval of cavity-generated atomic spin squeezing after free-space release. <i>Physical Review A</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevA.102.012224\">https://doi.org/10.1103/PhysRevA.102.012224</a>","short":"Y. Wu, R. Krishnakumar, J. Martínez-Rincón, B.K. Malia, O. Hosten, M.A. Kasevich, Physical Review A 102 (2020).","ista":"Wu Y, Krishnakumar R, Martínez-Rincón J, Malia BK, Hosten O, Kasevich MA. 2020. Retrieval of cavity-generated atomic spin squeezing after free-space release. Physical Review A. 102(1), 012224.","mla":"Wu, Yunfan, et al. “Retrieval of Cavity-Generated Atomic Spin Squeezing after Free-Space Release.” <i>Physical Review A</i>, vol. 102, no. 1, 012224, American Physical Society, 2020, doi:<a href=\"https://doi.org/10.1103/PhysRevA.102.012224\">10.1103/PhysRevA.102.012224</a>.","ama":"Wu Y, Krishnakumar R, Martínez-Rincón J, Malia BK, Hosten O, Kasevich MA. Retrieval of cavity-generated atomic spin squeezing after free-space release. <i>Physical Review A</i>. 2020;102(1). doi:<a href=\"https://doi.org/10.1103/PhysRevA.102.012224\">10.1103/PhysRevA.102.012224</a>","ieee":"Y. Wu, R. Krishnakumar, J. Martínez-Rincón, B. K. Malia, O. Hosten, and M. A. Kasevich, “Retrieval of cavity-generated atomic spin squeezing after free-space release,” <i>Physical Review A</i>, vol. 102, no. 1. American Physical Society, 2020.","chicago":"Wu, Yunfan, Rajiv Krishnakumar, Julián Martínez-Rincón, Benjamin K. Malia, Onur Hosten, and Mark A. Kasevich. “Retrieval of Cavity-Generated Atomic Spin Squeezing after Free-Space Release.” <i>Physical Review A</i>. American Physical Society, 2020. <a href=\"https://doi.org/10.1103/PhysRevA.102.012224\">https://doi.org/10.1103/PhysRevA.102.012224</a>."},"month":"07","arxiv":1,"isi":1,"author":[{"full_name":"Wu, Yunfan","first_name":"Yunfan","last_name":"Wu"},{"full_name":"Krishnakumar, Rajiv","first_name":"Rajiv","last_name":"Krishnakumar"},{"last_name":"Martínez-Rincón","first_name":"Julián","full_name":"Martínez-Rincón, Julián"},{"full_name":"Malia, Benjamin K.","last_name":"Malia","first_name":"Benjamin K."},{"orcid":"0000-0002-2031-204X","full_name":"Hosten, Onur","last_name":"Hosten","id":"4C02D85E-F248-11E8-B48F-1D18A9856A87","first_name":"Onur"},{"full_name":"Kasevich, Mark A.","last_name":"Kasevich","first_name":"Mark A."}],"title":"Retrieval of cavity-generated atomic spin squeezing after free-space release","date_published":"2020-07-30T00:00:00Z","type":"journal_article","publication":"Physical Review A","article_processing_charge":"No","quality_controlled":"1","publication_identifier":{"issn":["2469-9926"],"eissn":["2469-9934"]},"issue":"1","oa":1,"main_file_link":[{"url":"https://arxiv.org/abs/1912.08334","open_access":"1"}],"publication_status":"published","status":"public","department":[{"_id":"OnHo"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","doi":"10.1103/PhysRevA.102.012224","day":"30","oa_version":"Preprint","article_type":"original","date_created":"2020-08-30T22:01:10Z","volume":102,"abstract":[{"lang":"eng","text":"We demonstrate that releasing atoms into free space from an optical lattice does not deteriorate cavity-generated spin squeezing for metrological purposes. In this work, an ensemble of 500000 spin-squeezed atoms in a high-finesse optical cavity with near-uniform atom-cavity coupling is prepared, released into free space, recaptured in the cavity, and probed. Up to ∼10 dB of metrologically relevant squeezing is retrieved for 700μs free-fall times, and decaying levels of squeezing are realized for up to 3 ms free-fall times. The degradation of squeezing results from loss of atom-cavity coupling homogeneity between the initial squeezed state generation and final collective state readout. A theoretical model is developed to quantify this degradation and this model is experimentally validated."}],"article_number":"012224","scopus_import":"1","external_id":{"isi":["000555104200011"],"arxiv":["1912.08334"]},"intvolume":"       102"}]