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44 Publications
2024 | Research Data | IST-REx-ID: 17196 | 
A gate-tunable transmon in planar Ge
O. Sagi, (2024).
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O. Sagi, (2024).
2024 | Published | Journal Article | IST-REx-ID: 17202 |
A gate tunable transmon qubit in planar Ge
O. Sagi, A. Crippa, M. Valentini, M. Janik, L. Baghumyan, G. Fabris, L. Kapoor, F. Hassani, J.M. Fink, S. Calcaterra, D. Chrastina, G. Isella, G. Katsaros, Nature Communications 15 (2024).
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O. Sagi, A. Crippa, M. Valentini, M. Janik, L. Baghumyan, G. Fabris, L. Kapoor, F. Hassani, J.M. Fink, S. Calcaterra, D. Chrastina, G. Isella, G. Katsaros, Nature Communications 15 (2024).
2024 | Published | Journal Article | IST-REx-ID: 17389 |
Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning
Severin B, Lennon DT, Camenzind LC, Vigneau F, Fedele F, Jirovec D, Ballabio A, Chrastina D, Isella G, de Kruijf M, Carballido MJ, Svab S, Kuhlmann AV, Geyer S, Froning FNM, Moon H, Osborne MA, Sejdinovic D, Katsaros G, Zumbühl DM, Briggs GAD, Ares N. 2024. Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning. Scientific Reports. 14, 17281.
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Severin B, Lennon DT, Camenzind LC, Vigneau F, Fedele F, Jirovec D, Ballabio A, Chrastina D, Isella G, de Kruijf M, Carballido MJ, Svab S, Kuhlmann AV, Geyer S, Froning FNM, Moon H, Osborne MA, Sejdinovic D, Katsaros G, Zumbühl DM, Briggs GAD, Ares N. 2024. Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning. Scientific Reports. 14, 17281.
2024 | Published | Journal Article | IST-REx-ID: 14793 |
Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium
M. Valentini, O. Sagi, L. Baghumyan, T. de Gijsel, J. Jung, S. Calcaterra, A. Ballabio, J.L. Aguilera Servin, K. Aggarwal, M. Janik, T. Adletzberger, R. Seoane Souto, M. Leijnse, J. Danon, C. Schrade, E. Bakkers, D. Chrastina, G. Isella, G. Katsaros, Nature Communications 15 (2024).
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M. Valentini, O. Sagi, L. Baghumyan, T. de Gijsel, J. Jung, S. Calcaterra, A. Ballabio, J.L. Aguilera Servin, K. Aggarwal, M. Janik, T. Adletzberger, R. Seoane Souto, M. Leijnse, J. Danon, C. Schrade, E. Bakkers, D. Chrastina, G. Isella, G. Katsaros, Nature Communications 15 (2024).
2024 | Epub ahead of print | Journal Article | IST-REx-ID: 15018 |
Compressively strained epitaxial Ge layers for quantum computing applications
Y. Shimura, C. Godfrin, A. Hikavyy, R. Li, J.L. Aguilera Servin, G. Katsaros, P. Favia, H. Han, D. Wan, K. de Greve, R. Loo, Materials Science in Semiconductor Processing 174 (2024).
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Y. Shimura, C. Godfrin, A. Hikavyy, R. Li, J.L. Aguilera Servin, G. Katsaros, P. Favia, H. Han, D. Wan, K. de Greve, R. Loo, Materials Science in Semiconductor Processing 174 (2024).
2024 | Published | Journal Article | IST-REx-ID: 15320 |
Tuning the Josephson diode response with an ac current
R. Seoane Souto, M. Leijnse, C. Schrade, M. Valentini, G. Katsaros, J. Danon, Physical Review Research 6 (2024).
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R. Seoane Souto, M. Leijnse, C. Schrade, M. Valentini, G. Katsaros, J. Danon, Physical Review Research 6 (2024).
2024 | Published | Thesis | IST-REx-ID: 18076 |
Hybrid circuits on planar Germanium
O. Sagi, Hybrid Circuits on Planar Germanium, Institute of Science and Technology Austria, 2024.
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O. Sagi, Hybrid Circuits on Planar Germanium, Institute of Science and Technology Austria, 2024.
2024 | Published | Thesis | IST-REx-ID: 18129
Strong charge-photon coupling in Germanium enabled by granular aluminium superinductors
M. Janik, Strong Charge-Photon Coupling in Germanium Enabled by Granular Aluminium Superinductors, Institute of Science and Technology Austria, 2024.
[Published Version]
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M. Janik, Strong Charge-Photon Coupling in Germanium Enabled by Granular Aluminium Superinductors, Institute of Science and Technology Austria, 2024.
2024 | Submitted | Preprint | IST-REx-ID: 18144 |
Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors
M. Janik, K.E.R. Roux, C.B. Espinosa, O. Sagi, A. Baghdadi, T. Adletzberger, S. Calcaterra, M. Botifoll, A.G. Manjón, J. Arbiol, D. Chrastina, G. Isella, I.M. Pop, G. Katsaros, ArXiv (n.d.).
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M. Janik, K.E.R. Roux, C.B. Espinosa, O. Sagi, A. Baghdadi, T. Adletzberger, S. Calcaterra, M. Botifoll, A.G. Manjón, J. Arbiol, D. Chrastina, G. Isella, I.M. Pop, G. Katsaros, ArXiv (n.d.).
2023 | Published | Thesis | IST-REx-ID: 13286 |
Mesoscopic phenomena in hybrid semiconductor-superconductor nanodevices : From full-shell nanowires to two-dimensional hole gas in germanium
M. Valentini, Mesoscopic Phenomena in Hybrid Semiconductor-Superconductor Nanodevices : From Full-Shell Nanowires to Two-Dimensional Hole Gas in Germanium, Institute of Science and Technology Austria, 2023.
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M. Valentini, Mesoscopic Phenomena in Hybrid Semiconductor-Superconductor Nanodevices : From Full-Shell Nanowires to Two-Dimensional Hole Gas in Germanium, Institute of Science and Technology Austria, 2023.
2023 | Submitted | Preprint | IST-REx-ID: 13312 |
Radio frequency driven superconducting diode and parity conserving Cooper pair transport in a two-dimensional germanium hole gas
M. Valentini, O. Sagi, L. Baghumyan, T. de Gijsel, J. Jung, S. Calcaterra, A. Ballabio, J.A. Servin, K. Aggarwal, M. Janik, T. Adletzberger, R.S. Souto, M. Leijnse, J. Danon, C. Schrade, E. Bakkers, D. Chrastina, G. Isella, G. Katsaros, ArXiv (n.d.).
[Preprint]
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M. Valentini, O. Sagi, L. Baghumyan, T. de Gijsel, J. Jung, S. Calcaterra, A. Ballabio, J.A. Servin, K. Aggarwal, M. Janik, T. Adletzberger, R.S. Souto, M. Leijnse, J. Danon, C. Schrade, E. Bakkers, D. Chrastina, G. Isella, G. Katsaros, ArXiv (n.d.).
2023 | Published | Journal Article | IST-REx-ID: 13119 |
Density-wave ordering in a unitary Fermi gas with photon-mediated interactions
V. Helson, T. Zwettler, F. Mivehvar, E. Colella, K.E.R. Roux, H. Konishi, H. Ritsch, J.P. Brantut, Nature 618 (2023) 716–720.
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V. Helson, T. Zwettler, F. Mivehvar, E. Colella, K.E.R. Roux, H. Konishi, H. Ritsch, J.P. Brantut, Nature 618 (2023) 716–720.
2022 | Published | Journal Article | IST-REx-ID: 10920 |
Dynamics of hole singlet-triplet qubits with large g-factor differences
D. Jirovec, P.M. Mutter, A.C. Hofmann, A. Crippa, M. Rychetsky, D.L. Craig, J. Kukucka, F. Martins, A. Ballabio, N. Ares, D. Chrastina, G. Isella, G. Burkard, G. Katsaros, Physical Review Letters 128 (2022).
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D. Jirovec, P.M. Mutter, A.C. Hofmann, A. Crippa, M. Rychetsky, D.L. Craig, J. Kukucka, F. Martins, A. Ballabio, N. Ares, D. Chrastina, G. Isella, G. Burkard, G. Katsaros, Physical Review Letters 128 (2022).
2022 | Published | Journal Article | IST-REx-ID: 12118 |
Majorana-like Coulomb spectroscopy in the absence of zero-bias peaks
M. Valentini, M. Borovkov, E. Prada, S. Martí-Sánchez, M. Botifoll, A.C. Hofmann, J. Arbiol, R. Aguado, P. San-Jose, G. Katsaros, Nature 612 (2022) 442–447.
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M. Valentini, M. Borovkov, E. Prada, S. Martí-Sánchez, M. Botifoll, A.C. Hofmann, J. Arbiol, R. Aguado, P. San-Jose, G. Katsaros, Nature 612 (2022) 442–447.
2022 | Research Data | IST-REx-ID: 12522 |
Data for "Majorana-like Coulomb spectroscopy in the absence of zero bias peaks"
M. Valentini, P. San-Jose, J. Arbiol, S. Marti-Sanchez, M. Botifoll, (2022).
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M. Valentini, P. San-Jose, J. Arbiol, S. Marti-Sanchez, M. Botifoll, (2022).
2022 | Research Data | IST-REx-ID: 18291 |
Dynamics of Hole Singlet-Triplet Qubits with Large 𝑔-Factor Differences
G. Katsaros, D. Jirovec, (2022).
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G. Katsaros, D. Jirovec, (2022).
2021 | Published | Thesis | IST-REx-ID: 10058 |
Singlet-Triplet qubits and spin-orbit interaction in 2-dimensional Ge hole gases
D. Jirovec, Singlet-Triplet Qubits and Spin-Orbit Interaction in 2-Dimensional Ge Hole Gases, Institute of Science and Technology Austria, 2021.
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D. Jirovec, Singlet-Triplet Qubits and Spin-Orbit Interaction in 2-Dimensional Ge Hole Gases, Institute of Science and Technology Austria, 2021.
2021 | Submitted | Preprint | IST-REx-ID: 10066 |
Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning
Severin B, Lennon DT, Camenzind LC, Vigneau F, Fedele F, Jirovec D, Ballabio A, Chrastina D, Isella G, Kruijf M de, Carballido MJ, Svab S, Kuhlmann AV, Braakman FR, Geyer S, Froning FNM, Moon H, Osborne MA, Sejdinovic D, Katsaros G, Zumbühl DM, Briggs GAD, Ares N. Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning. arXiv, 10.48550/arXiv.2107.12975.
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Severin B, Lennon DT, Camenzind LC, Vigneau F, Fedele F, Jirovec D, Ballabio A, Chrastina D, Isella G, Kruijf M de, Carballido MJ, Svab S, Kuhlmann AV, Braakman FR, Geyer S, Froning FNM, Moon H, Osborne MA, Sejdinovic D, Katsaros G, Zumbühl DM, Briggs GAD, Ares N. Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning. arXiv, 10.48550/arXiv.2107.12975.
2021 | Published | Journal Article | IST-REx-ID: 10559 |
Enhancement of proximity-induced superconductivity in a planar Ge hole gas
K. Aggarwal, A.C. Hofmann, D. Jirovec, I. Prieto Gonzalez, A. Sammak, M. Botifoll, S. Martí-Sánchez, M. Veldhorst, J. Arbiol, G. Scappucci, J. Danon, G. Katsaros, Physical Review Research 3 (2021).
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K. Aggarwal, A.C. Hofmann, D. Jirovec, I. Prieto Gonzalez, A. Sammak, M. Botifoll, S. Martí-Sánchez, M. Veldhorst, J. Arbiol, G. Scappucci, J. Danon, G. Katsaros, Physical Review Research 3 (2021).
2021 | Published | Journal Article | IST-REx-ID: 8909 |
A singlet triplet hole spin qubit in planar Ge
D. Jirovec, A.C. Hofmann, A. Ballabio, P.M. Mutter, G. Tavani, M. Botifoll, A. Crippa, J. Kukucka, O. Sagi, F. Martins, J. Saez Mollejo, I. Prieto Gonzalez, M. Borovkov, J. Arbiol, D. Chrastina, G. Isella, G. Katsaros, Nature Materials 20 (2021) 1106–1112.
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D. Jirovec, A.C. Hofmann, A. Ballabio, P.M. Mutter, G. Tavani, M. Botifoll, A. Crippa, J. Kukucka, O. Sagi, F. Martins, J. Saez Mollejo, I. Prieto Gonzalez, M. Borovkov, J. Arbiol, D. Chrastina, G. Isella, G. Katsaros, Nature Materials 20 (2021) 1106–1112.