Merging spin and superconducting qubits in planar Ge
Project Period: 2023-01-01 – 2026-12-31
Funder:
Austrian Science Fund
Principal Investigator
Department(s)
Grant Number
P36507
Grant DOI
Funder
Austrian Science Fund
Funder Schema
FWF-StA
Funder Registry
9 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).
[Published Version]
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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).
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 | 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 | 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).
[Published Version]
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O. Sagi, (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.).
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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| Download Preprint (ext.)
| arXiv
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.).