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50 Publications
2025 | Published | Journal Article | IST-REx-ID: 19401 |

Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors
M. Janik, K.E.R. Roux, C.N. Borja Espinosa, O. Sagi, A. Baghdadi, T. Adletzberger, S. Calcaterra, M. Botifoll, A. Garzón Manjón, J. Arbiol, D. Chrastina, G. Isella, I.M. Pop, G. Katsaros, Nature Communications 16 (2025).
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M. Janik, K.E.R. Roux, C.N. Borja Espinosa, O. Sagi, A. Baghdadi, T. Adletzberger, S. Calcaterra, M. Botifoll, A. Garzón Manjón, J. Arbiol, D. Chrastina, G. Isella, I.M. Pop, G. Katsaros, Nature Communications 16 (2025).
2025 | Research Data | IST-REx-ID: 18886 |

Research data for publication 'Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors'
M. Janik, (2025).
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M. Janik, (2025).
2025 | Research Data | IST-REx-ID: 19409 |

Exchange anisotropies in microwave-driven singlet-triplet qubits
J. Saez Mollejo, (2025).
[Published Version]
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J. Saez Mollejo, (2025).
2024 | Published | Journal Article | IST-REx-ID: 18602 |

Strong hole-photon coupling in planar Ge for probing charge degree and strongly correlated states
F. De Palma, F. Oppliger, W. Jang, S. Bosco, M. Janik, S. Calcaterra, G. Katsaros, G. Isella, D. Loss, P. Scarlino, Nature Communications 15 (2024).
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F. De Palma, F. Oppliger, W. Jang, S. Bosco, M. Janik, S. Calcaterra, G. Katsaros, G. Isella, D. Loss, P. Scarlino, Nature Communications 15 (2024).
2024 | Published | Journal Article | IST-REx-ID: 18653 |

Automated long-range compensation of an rf quantum dot sensor
J. Hickie, B. Van Straaten, F. Fedele, D. Jirovec, A. Ballabio, D. Chrastina, G. Isella, G. Katsaros, N. Ares, Physical Review Applied 22 (2024).
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J. Hickie, B. Van Straaten, F. Fedele, D. Jirovec, A. Ballabio, D. Chrastina, G. Isella, G. Katsaros, N. Ares, Physical Review Applied 22 (2024).
2024 | Published | 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: 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 | 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.
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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 | 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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| PubMed | Europe PMC
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 | 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 | 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 | 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: 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 | Draft | Preprint | IST-REx-ID: 18144 |

Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors
M. Janik, K.E.R. Roux, C.N. Borja 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.).
[Preprint]
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M. Janik, K.E.R. Roux, C.N. Borja 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.).
2024 | Submitted | Preprint | IST-REx-ID: 19424 |

Exchange anisotropies in microwave-driven singlet-triplet qubits
J. Saez Mollejo, D. Jirovec, Y.A. Schell, J. Kukucka, S. Calcaterra, D. Chrastina, G. Isella, M. Rimbach-Russ, S. Bosco, G. Katsaros, ArXiv (n.d.).
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J. Saez Mollejo, D. Jirovec, Y.A. Schell, J. Kukucka, S. Calcaterra, D. Chrastina, G. Isella, M. Rimbach-Russ, S. Bosco, 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 | Draft | 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: 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).