[{"month":"02","OA_place":"publisher","publication":"Physical Review Letters","type":"journal_article","acknowledged_ssus":[{"_id":"M-Shop"},{"_id":"NanoFab"}],"quality_controlled":"1","citation":{"chicago":"Redchenko, Elena, M. Zens, Martin Zemlicka, Matilda Peruzzo, Farid Hassani, Riya Sett, Przemyslaw D Zielinski, et al. “Observation of Collapse and Revival in a Superconducting Atomic Frequency Comb.” <i>Physical Review Letters</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/PhysRevLett.134.063601\">https://doi.org/10.1103/PhysRevLett.134.063601</a>.","ieee":"E. Redchenko <i>et al.</i>, “Observation of collapse and revival in a superconducting atomic frequency comb,” <i>Physical Review Letters</i>, vol. 134, no. 6. American Physical Society, 2025.","ista":"Redchenko E, Zens M, Zemlicka M, Peruzzo M, Hassani F, Sett R, Zielinski PD, Dhar HS, Krimer DO, Rotter S, Fink JM. 2025. Observation of collapse and revival in a superconducting atomic frequency comb. Physical Review Letters. 134(6), 063601.","ama":"Redchenko E, Zens M, Zemlicka M, et al. Observation of collapse and revival in a superconducting atomic frequency comb. <i>Physical Review Letters</i>. 2025;134(6). doi:<a href=\"https://doi.org/10.1103/PhysRevLett.134.063601\">10.1103/PhysRevLett.134.063601</a>","apa":"Redchenko, E., Zens, M., Zemlicka, M., Peruzzo, M., Hassani, F., Sett, R., … Fink, J. M. (2025). Observation of collapse and revival in a superconducting atomic frequency comb. <i>Physical Review Letters</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevLett.134.063601\">https://doi.org/10.1103/PhysRevLett.134.063601</a>","mla":"Redchenko, Elena, et al. “Observation of Collapse and Revival in a Superconducting Atomic Frequency Comb.” <i>Physical Review Letters</i>, vol. 134, no. 6, 063601, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/PhysRevLett.134.063601\">10.1103/PhysRevLett.134.063601</a>.","short":"E. Redchenko, M. Zens, M. Zemlicka, M. Peruzzo, F. Hassani, R. Sett, P.D. Zielinski, H.S. Dhar, D.O. Krimer, S. Rotter, J.M. Fink, Physical Review Letters 134 (2025)."},"year":"2025","abstract":[{"lang":"eng","text":"Recent advancements in superconducting circuits have enabled the experimental study of collective behavior of precisely controlled intermediate-scale ensembles of qubits. In this work, we demonstrate an atomic frequency comb formed by individual artificial atoms strongly coupled to a single resonator mode. We observe periodic microwave pulses that originate from a single coherent excitation dynamically interacting with the multiqubit ensemble. We show that this revival dynamics emerges as a consequence of the constructive and periodic rephasing of the five superconducting qubits forming the vacuum Rabi split comb. In the future, similar devices could be used as a memory with in situ tunable storage time or as an on-chip periodic pulse generator with nonclassical photon statistics."}],"date_created":"2025-03-02T23:01:52Z","tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","short":"CC BY (4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","isi":1,"publication_status":"published","publication_identifier":{"eissn":["1079-7114"],"issn":["0031-9007"]},"intvolume":"       134","corr_author":"1","arxiv":1,"_id":"19280","date_published":"2025-02-14T00:00:00Z","pmid":1,"external_id":{"pmid":["40021171"],"isi":["001454696700003"],"arxiv":["2310.04200"]},"file":[{"file_name":"2025_PhysReviewLetters_Redchenko.pdf","date_created":"2025-03-04T10:40:50Z","relation":"main_file","date_updated":"2025-03-04T10:40:50Z","file_id":"19291","file_size":2080408,"creator":"dernst","content_type":"application/pdf","access_level":"open_access","success":1,"checksum":"633d6c5ddd9b805da22c5839d3d48df6"}],"status":"public","oa":1,"issue":"6","article_processing_charge":"Yes (via OA deal)","acknowledgement":"The authors thank G. Arnold and R. Sahu for the discussions, L. Drmic for software development, the MIBA workshop and the ISTA nanofabrication facility for technical support, and VTT Technical Research Centre of Finland for providing us TWPAs for follow-up measurements. This work was supported by the Austrian Science Fund (FWF) [Grant DOI: 10.55776/F71] through BeyondC (F7105) and IST Austria. E. S. R. is the recipient of a DOC fellowship of the Austrian Academy of Sciences at IST Austria. J. M. F. and M. Ž. acknowledge support from the European Research Council under Grant Agreement No. 758053 (ERC StG QUNNECT) and a NOMIS foundation research grant.","publisher":"American Physical Society","ddc":["530"],"day":"14","author":[{"first_name":"Elena","id":"2C21D6E8-F248-11E8-B48F-1D18A9856A87","last_name":"Redchenko","full_name":"Redchenko, Elena"},{"full_name":"Zens, M.","last_name":"Zens","first_name":"M."},{"orcid":"0009-0005-0878-3032","first_name":"Martin","id":"2DCF8DE6-F248-11E8-B48F-1D18A9856A87","last_name":"Zemlicka","full_name":"Zemlicka, Martin"},{"full_name":"Peruzzo, Matilda","last_name":"Peruzzo","id":"3F920B30-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-3415-4628","first_name":"Matilda"},{"orcid":"0000-0001-6937-5773","first_name":"Farid","id":"2AED110C-F248-11E8-B48F-1D18A9856A87","last_name":"Hassani","full_name":"Hassani, Farid"},{"last_name":"Sett","full_name":"Sett, Riya","id":"2E6D040E-F248-11E8-B48F-1D18A9856A87","first_name":"Riya","orcid":"0000-0001-7641-8348"},{"first_name":"Przemyslaw D","full_name":"Zielinski, Przemyslaw D","last_name":"Zielinski","id":"e198fcc4-f6e0-11ea-865d-b6a256760ee8"},{"full_name":"Dhar, H. S.","last_name":"Dhar","first_name":"H. S."},{"last_name":"Krimer","full_name":"Krimer, D. O.","first_name":"D. O."},{"last_name":"Rotter","full_name":"Rotter, S.","first_name":"S."},{"first_name":"Johannes M","orcid":"0000-0001-8112-028X","id":"4B591CBA-F248-11E8-B48F-1D18A9856A87","full_name":"Fink, Johannes M","last_name":"Fink"}],"has_accepted_license":"1","OA_type":"hybrid","doi":"10.1103/PhysRevLett.134.063601","scopus_import":"1","department":[{"_id":"JoFi"}],"related_material":{"record":[{"relation":"dissertation_contains","id":"19533","status":"public"}]},"language":[{"iso":"eng"}],"file_date_updated":"2025-03-04T10:40:50Z","article_type":"original","article_number":"063601","oa_version":"Published Version","volume":134,"project":[{"_id":"bdb108fd-d553-11ed-ba76-83dc74a9864f","grant_number":"F07105","name":"QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits"},{"grant_number":"758053","_id":"26336814-B435-11E9-9278-68D0E5697425","name":"A Fiber Optic Transceiver for Superconducting Qubits","call_identifier":"H2020"},{"name":"Controllable Collective States of Superconducting Qubit Ensembles","_id":"26B354CA-B435-11E9-9278-68D0E5697425"}],"ec_funded":1,"license":"https://creativecommons.org/licenses/by/4.0/","title":"Observation of collapse and revival in a superconducting atomic frequency comb","date_updated":"2026-09-01T22:31:14Z"},{"publisher":"Springer Nature","oa":1,"acknowledgement":"The authors thank W.D. Oliver for discussions, L. Drmic and P. Zielinski for software development, and the MIBA workshop and the IST nanofabrication facility for technical support. This work was supported by the Austrian Science Fund (FWF) through BeyondC (F7105) and IST Austria. E.R. is the recipient of a DOC fellowship of the Austrian Academy of Sciences at IST Austria. J.M.F. and M.Z. acknowledge support from the European Research Council under grant agreement No 758053 (ERC StG QUNNECT) and a NOMIS foundation research grant. The work of A.N.P. and A.V.P. has been supported by the Russian Science Foundation under the grant No 20-12-00194.","article_processing_charge":"No","pmid":1,"status":"public","file":[{"checksum":"a857df40f0882859c48a1ff1e2001ec2","success":1,"content_type":"application/pdf","access_level":"open_access","creator":"dernst","file_size":1654389,"file_id":"13123","relation":"main_file","date_created":"2023-06-06T07:31:20Z","date_updated":"2023-06-06T07:31:20Z","file_name":"2023_NaturePhysics_Redchenko.pdf"}],"external_id":{"pmid":["37225689"],"isi":["001001099700002"],"arxiv":["2205.03293"]},"date_published":"2023-05-24T00:00:00Z","_id":"13117","arxiv":1,"corr_author":"1","title":"Tunable directional photon scattering from a pair of superconducting qubits","date_updated":"2026-09-01T22:31:15Z","project":[{"call_identifier":"H2020","name":"A Fiber Optic Transceiver for Superconducting Qubits","grant_number":"758053","_id":"26336814-B435-11E9-9278-68D0E5697425"},{"_id":"26B354CA-B435-11E9-9278-68D0E5697425","name":"Controllable Collective States of Superconducting Qubit Ensembles"},{"name":"Protected states of quantum matter","_id":"eb9b30ac-77a9-11ec-83b8-871f581d53d2"},{"_id":"bdb108fd-d553-11ed-ba76-83dc74a9864f","grant_number":"F07105","name":"QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits"}],"ec_funded":1,"article_number":"2998","oa_version":"Published Version","volume":14,"file_date_updated":"2023-06-06T07:31:20Z","article_type":"original","language":[{"iso":"eng"}],"department":[{"_id":"JoFi"}],"related_material":{"record":[{"id":"13124","status":"public","relation":"research_data"},{"relation":"dissertation_contains","status":"public","id":"19533"}]},"has_accepted_license":"1","doi":"10.1038/s41467-023-38761-6","scopus_import":"1","day":"24","ddc":["530"],"author":[{"first_name":"Elena","last_name":"Redchenko","full_name":"Redchenko, Elena","id":"2C21D6E8-F248-11E8-B48F-1D18A9856A87"},{"first_name":"Alexander V.","full_name":"Poshakinskiy, Alexander V.","last_name":"Poshakinskiy"},{"last_name":"Sett","full_name":"Sett, Riya","id":"2E6D040E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-7641-8348","first_name":"Riya"},{"last_name":"Zemlicka","full_name":"Zemlicka, Martin","id":"2DCF8DE6-F248-11E8-B48F-1D18A9856A87","orcid":"0009-0005-0878-3032","first_name":"Martin"},{"last_name":"Poddubny","full_name":"Poddubny, Alexander N.","first_name":"Alexander N."},{"first_name":"Johannes M","orcid":"0000-0001-8112-028X","last_name":"Fink","full_name":"Fink, Johannes M","id":"4B591CBA-F248-11E8-B48F-1D18A9856A87"}],"abstract":[{"lang":"eng","text":"The ability to control the direction of scattered light is crucial to provide flexibility and scalability for a wide range of on-chip applications, such as integrated photonics, quantum information processing, and nonlinear optics. Tunable directionality can be achieved by applying external magnetic fields that modify optical selection rules, by using nonlinear effects, or interactions with vibrations. However, these approaches are less suitable to control microwave photon propagation inside integrated superconducting quantum devices. Here, we demonstrate on-demand tunable directional scattering based on two periodically modulated transmon qubits coupled to a transmission line at a fixed distance. By changing the relative phase between the modulation tones, we realize unidirectional forward or backward photon scattering. Such an in-situ switchable mirror represents a versatile tool for intra- and inter-chip microwave photonic processors. In the future, a lattice of qubits can be used to realize topological circuits that exhibit strong nonreciprocity or chirality."}],"date_created":"2023-06-04T22:01:02Z","year":"2023","citation":{"chicago":"Redchenko, Elena, Alexander V. Poshakinskiy, Riya Sett, Martin Zemlicka, Alexander N. Poddubny, and Johannes M Fink. “Tunable Directional Photon Scattering from a Pair of Superconducting Qubits.” <i>Nature Communications</i>. Springer Nature, 2023. <a href=\"https://doi.org/10.1038/s41467-023-38761-6\">https://doi.org/10.1038/s41467-023-38761-6</a>.","ieee":"E. Redchenko, A. V. Poshakinskiy, R. Sett, M. Zemlicka, A. N. Poddubny, and J. M. Fink, “Tunable directional photon scattering from a pair of superconducting qubits,” <i>Nature Communications</i>, vol. 14. Springer Nature, 2023.","ista":"Redchenko E, Poshakinskiy AV, Sett R, Zemlicka M, Poddubny AN, Fink JM. 2023. Tunable directional photon scattering from a pair of superconducting qubits. Nature Communications. 14, 2998.","ama":"Redchenko E, Poshakinskiy AV, Sett R, Zemlicka M, Poddubny AN, Fink JM. Tunable directional photon scattering from a pair of superconducting qubits. <i>Nature Communications</i>. 2023;14. doi:<a href=\"https://doi.org/10.1038/s41467-023-38761-6\">10.1038/s41467-023-38761-6</a>","mla":"Redchenko, Elena, et al. “Tunable Directional Photon Scattering from a Pair of Superconducting Qubits.” <i>Nature Communications</i>, vol. 14, 2998, Springer Nature, 2023, doi:<a href=\"https://doi.org/10.1038/s41467-023-38761-6\">10.1038/s41467-023-38761-6</a>.","short":"E. Redchenko, A.V. Poshakinskiy, R. Sett, M. Zemlicka, A.N. Poddubny, J.M. Fink, Nature Communications 14 (2023).","apa":"Redchenko, E., Poshakinskiy, A. V., Sett, R., Zemlicka, M., Poddubny, A. N., &#38; Fink, J. M. (2023). Tunable directional photon scattering from a pair of superconducting qubits. <i>Nature Communications</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41467-023-38761-6\">https://doi.org/10.1038/s41467-023-38761-6</a>"},"quality_controlled":"1","acknowledged_ssus":[{"_id":"M-Shop"},{"_id":"NanoFab"}],"type":"journal_article","publication":"Nature Communications","month":"05","intvolume":"        14","publication_identifier":{"eissn":["2041-1723"]},"publication_status":"published","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","isi":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","short":"CC BY (4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"}}]