2024
A Qubit with Simultaneously Maximized Speed and Coherence
Miguel J. Carballido, Simon Svab, Rafael S. Eggli, Taras Patlatiuk, Pierre Chevalier Kwon, Jonas Schuff, Rahel M. Kaiser, Leon C. Camenzind, Ang Li, Natalia Ares, Erik P.A.M Bakkers, Stefano Bosco, J. Carlos Egues, Daniel Loss, and Dominik M. Zumbuhl.
https://arxiv.org/abs/2402.07313.
Strong coupling between a microwave photon and a singlet-triplet qubit
Jann H. Ungerer, Alessia Pally, Artem Kononov, Sebastian Lehmann, Joost Ridderbos, Claes Thelander, Kimberly A. Dick, Ville F. Maisi, Pasquale Scarlino, Andreas Baumgartner, and Christian Schönenberger.
Nat Commun 15, 1068 (2024) and https://arxiv.org/abs/2303.16825.
Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium
Marco Valentini, Oliver Sagi, Levon Baghumyan, Thijs de Gijsel, Jason Jung, Stefano Calcaterra, Andrea Ballabio, Juan Aguilera Servin, Kushagra Aggarwal, Marian Janik, Thomas Adletzberger, Rubén Seoane Souto, Martin Leijnse, Jeroen Danon, Constantin Schrade, Erik Bakkers, Daniel Chrastina, Giovanni Isella, and Georgios Katsaros.
Nat Commun 15, 169 (2024) and https://arxiv.org/abs/2306.07109.
2023
Cryogenic hyperabrupt strontium titanate varactors for sensitive reflectometry of quantum dots
Rafael S. Eggli, Simon Svab, Taras Patlatiuk, Dominique Trüssel, Miguel J. Carballido, Pierre Chevalier Kwon, Simon Geyer, Ang Li, Erik P. A. M. Bakkers, Andreas V. Kuhlmann, and Dominik M. Zumbühl.
Phys. Rev. Applied 20, 054056 or https://arxiv.org/abs/2303.02933.
Performance of high impedance resonators in dirty dielectric environments
Jann H. Ungerer, Deepankar Sarmah, Artem Kononov, Joost Ridderbos, Roy Haller, Luk Yi Cheung, and Christian Schönenberger.
EPJ Quantum Technol. 10, 41 (2023) or https://arxiv.org/abs/2302.06303.
Gate Tunable Josephson Diode in Proximitized InAs Supercurrent Interferometers
Carlo Ciaccia, Roy Haller, Asbjørn C. C. Drachmann, Tyler Lindemann, Michael J. Manfra, Constantin Schrade, and Christian Schönenberger.
Phys. Rev. Research 5, 033131 and https://arxiv.org/abs/2304.00484.
ac Josephson effect in a gate-tunable Cd3As2 nanowire superconducting weak link
R. Haller, M. Osterwalder, G. Fülöp, J. Ridderbos, M. Jung, and C. Schönenberger.
Phys. Rev. B 108, 094514 and https://arxiv.org/abs/2305.19996Top.
Charge-sensing of a Ge/Si core/shell nanowire double quantum dot using a high-impedance superconducting resonator
J. H. Ungerer, P. Chevalier Kwon, T. Patlatiuk, J. Ridderbos, A. Kononov, D Sarmah, E. P. A. M. Bakkers, D. Zumbühl, and C. Schönenberger.
Mater. Quantum. Technol. 3 031001 and https://arxiv.org/abs/2211.00763.
Multiple Andreev reflections in topological Josephson junctions with chiral Majorana modes
Linde A. B. Olde Olthof, Stijn R. de Wit, Shu-Ichiro Suzuki, Inanc Adagideli, Jason W. A. Robinson, and Alexander Brinkman.
Phys. Rev. B 107, 184510 (2023)
Trivial Andreev Band Mimicking Topological Bulk Gap Reopening in the Nonlocal Conductance of Long Rashba Nanowires
Richard Hess, Henry F. Legg, Daniel Loss, and Jelena Klinovaja.
Phys. Rev. Lett. 130, 207001 and https://arxiv.org/abs/2210.03507.
2022
Prevalence of trivial zero-energy sub-gap states in non-uniform helical spin chains on the surface of superconductors
Richard Hess, Henry F. Legg, Daniel Loss, and Jelena Klinovaja.
Phys. Rev. B 106, 104503 (2022) and https://arxiv.org/abs/2204.02324
2021
Local and nonlocal quantum transport due to Andreev bound states in finite Rashba nanowires with superconducting and normal sections
Richard Hess, Henry F. Legg, Daniel Loss, and Jelena Klinovaja.
Phys. Rev. B 104, 075405 (2021) and https://arxiv.org/abs/2105.02791
Enhancement of proximity-induced superconductivity in a planar Ge hole gas
K. Aggarwal, A. Hofmann, D. Jirovec, I. Prieto, A. Sammak, M. Botifoll, S. Martí-Sánchez, M. Veldhorst, J. Arbiol, G. Scappucci, J. Danon, and G. Katsaros.
Phys. Rev. Research 3, L022005 (2021) and https://arxiv.org/abs/2012.00322
Strong spin-orbit interaction and g-factor renormalization of hole spins in Ge/Si nanowire quantum dots
F. N. M. Froning, M. J. Rančić, B. Hetényi, S. Bosco, M. K. Rehmann, A. Li, E. P. A. M. Bakkers, F. A. Zwanenburg, D. Loss, D. M. Zumbühl, F. R. Braakman.
Physical Review Research 2021 and https://arxiv.org/abs/2007.04308.
Ultrafast hole spin qubit with gate-tunable spin-orbit switch
F. N. M. Froning, L. C. Camenzind, O. A. H. van der Molen, A. Li, E. P. A. M. Bakkers, D. M. Zumbühl, F. R. Braakman.
Nature Nanotechnology 2021 and https://arxiv.org/abs/2006.11175.
2020
The germanium quantum information route
Giordano Scappucci, Christoph Kloeffel, Floris A. Zwanenburg, Daniel Loss, Maksym Myronov, Jian-Jun Zhang, Silvano De Franceschi, Georgios Katsaros, Menno Veldhorst.
Nature Reviews Materials 2020 and https://arxiv.org/abs/2004.08133.
Zero Field Splitting of Heavy-Hole States in Quantum Dots
Georgios Katsaros, Josip Kukučka, Lada Vukušić, Hannes Watzinger, Fei Gao, Ting Wang, Jian-Jun Zhang, and Karsten Held.
Nano Letters 2020 and https://arxiv.org/abs/1911.06418.
Site‐Controlled Uniform Ge/Si Hut Wires with Electrically Tunable Spin–Orbit Coupling
Fei Gao, Jian-Huan Wang, Hannes Watzinger, Hao Hu, Marko J. Rančić, Jie-Yin Zhang, Ting Wang, Yuan Yao, Gui-Lei Wang, Josip Kukučka, Lada Vukušić, Christoph Kloeffel, Daniel Loss, Feng Liu, Georgios Katsaros, Jian-Jun Zhang.
Advanced Materials 2020 and https://arxiv.org/abs/2001.11305.
Hard superconducting gap and diffusion-induced superconductors in Ge-Si nanowires
Joost Ridderbos, Matthias Brauns, Jie Shen, Folkert K. de Vries, Ang Li, Sebastian Kölling, Marcel A. Verheijen, Alexander Brinkman, Wilfred G. van der Wiel, Erik P. A. M. Bakkers, Floris A. Zwanenburg.
Nano Letters 2020 and https://arxiv.org/abs/1907.05510.