2024
21. A gate tunable transmon device in planar Ge
Oliver Sagi, Alessandro Crippa, Marco Valentini, Marian Janik, Levon Baghumyan, Giorgio Fabris, Lucky Kapoor, Farid Hassani, Johannes Fink, Stefano Calcaterra, Daniel Chrastina, Giovanni Isella, Georgios Katsaros
20. Compressively strained epitaxial Ge layers for quantum computing applications
Yosuke Shimura, Clement Godfrin, Andriy Hikavyy, Roy Li, Juan Aguilera,
Georgios Katsaros, Paola Favia, Han Han, Danny Wan, Kristiaan De Greve, Roger Loo
Materials Science in Semiconductors Processing 174, 108231 (2024)
19. 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, Ruben Seoane Souto, Martin Leijnse, Jeroen Danon, Constantin Schrade, Erik Bakkers, Daniel Chrastina, Giovanni Isella, Georgios Katsaros
Nature Communications 15, 168 (2024)
18. Tuning the Josephson diode response with an ac current
Ruben Seoane Souto, Martin Leijnse, Constantin Schrade, Marco Valentini, Georgios Katsaros, Jeroen Danon
Physical Review Research 6 , L022002
2023
17. Strong hole-photon coupling in planar Ge: probing the charge degree and Wigner molecule states
Franco De Palma, Fabian Opplinger, Wonjin Jang, Stefano Bosco, Marian Janik, Stefano Calcaterra, Georgios Katsaros, Giovanni Isella, Daniel Loss, Pasquale Scarlino
16. Automated long-range compensation of an RF quantum dot sensor
Joseph Hickie, Barnaby van Straaten, Federico Fedele, Daniel Jirovec, Andrea Ballabio, Daniel Chrastina, Giovanni Isella, Georgios Katsaros, Natalia Ares
2022
15. All RF-based tuning algorithm for quantum devices using machine learning
14. Majorana-like Coulomb spectroscopy in the absence of zero bias peaks
13. Dynamics of hole singlet triplet qubits with large g-factor differences
Daniel Jirovec, Philipp M. Mutter, Andrea Hofmann, Alessandro Crippa, Marek Rychetsky, David. L. Craig, Josip Kukucka, Frederico Martins, Andrea Ballabio, Natalia Ares, Daniel Chrastina, Giovanni Isella, Guido Burkard, Georgios Katsaros
Phys. Rev. Lett. 128, 126803 (2022)
https://arxiv.org/abs/2111.05130
2021
12. Cross-architecture Tuning of Silicon and SiGe-based Quantum Devices Using Machine Learning
B. Severin, D. T. Lennon, L. C. Camenzing, F. Vigneau, F. Fedele, D. Jirovec, A. Ballabio, D. Charastina, G. Isella, M. de Kruijf, M. J. Carballido, S. Svab, A. V. Kuhlmann, F. R. Braakman, S. Geyer, F. N. M. Froning, H. Moon, M. A. Osborne, D. Sejdinovic, G. Katsaros, D. M. Zumbühl, G. A. D. Briggs, N. Ares
https://arxiv.org/abs/2107.12975
11. Nontopological zero-bias peaks in full-shell nanowires induced by flux tunable Andreev states
Marco Valentini, Fernando Penaranda, Andrea Hofmann, Matthias Brauns, Robert Hauschild, Peter Krogstrup, Pablo San-Jose, Elsa Prada, Ramon Aguado, Georgios Katsaros
10. A singlet triplet hole spin qubit in planar Ge
Daniel Jirovec, Andrea Hofmann, Andrea Ballabio, Philipp M. Mutter, Giulio Tavani, Marc Botifoll, Alessandro Crippa, Josip Kukucka, Oliver Sagi, Frederico Martins, Jaime Saez-Mollejo, Ivan Prieto, Maksim Borovkov, Jordi Arbiol, Daniel Chrastina, Giovanni Isella, Georgios Katsaros
https://arxiv.org/abs/2011.13755
9. Enhancement of Proximity Induced Superconductivity in Planar Germanium
Kushagra Aggarwal, Andrea Hofmann, Daniel Jirovec, Ivan Prieto, Amir Sammak, Marc Botifoll, Sara Marti-Sanchez, Menno Veldhorst, Jordi Arbiol, Giordano Scappucci, Jeroen Danon, Georgios Katsaros
Phys. Rev. Research 3, L022005 (2021)
https://arxiv.org/abs/2012.00322
8. 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
https://arxiv.org/pdf/2004.08133.pdf
2020
7. Zero field splitting of heavy-hole states in quantum dots
Georgios Katsaros, Josip Kukučka, Lada Vukušić, Hannes Watzinger, Fei Gao, Ting Wang, Yuan Yao, Jian-Jun Zhang, Karsten Held
Nano Lett., 20, 5201-5206 (2020)
https://doi.org/10.1021/acs.nanolett.0c01466
6. 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
Adv. Mater. 32, 1906523 (2020)
https://doi.org/10.1002/adma.201906523
2019
5. Assessing the potential of Ge/SiGe quantum dots as hosts for singlet-triplet qubits
Andrea Hofmann, Daniel Jirovec, Maxim Borovkov, Ivan Prieto, Andrea Ballabio, Jacopo Frigerio, Daniel Chrastina, Giovanni Isella, Georgios Katsaros
preprint: https://arxiv.org/pdf/1910.05841.pdf
2018
4. Single-shot readout of hole spins in Ge
Lada Vukušić, Josip Kukučka, Hannes Watzinger, Friedrich Schäffler, Georgios Katsaros
Nano Lett., 18, 7141–7145 (2018)
https://pubs.acs.org/doi/abs/10.1021/acs.nanolett.8b03217
3. A germanium hole spin qubit
Hannes Watzinger, Josip Kukučka, Lada Vukušić, Fei Gao, Ting Wang, Friedrich Schäffler, Jian-Jun Zhang, Georgios Katsaros
Nature Com. 9, 3902 (2018)
https://www.nature.com/articles/s41467-018-06418-4
2017
2. Fast hole tunneling times in Germanium hut wires probed by single-shot reflectometry
Lada Vukušić, Josip Kukučka, Hannes Watzinger, Georgios Katsaros
Nano Lett. 17, 5706–5710 (2017)
http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.7b02627
2016
1. Heavy hole states in Germanium hut wires
Hannes Watzinger, Christoph Kloeffel, Lada Vukušić, Marta D. Rossell, Violetta Sessi, Josip Kukučka, Raimund Kirchschlager, Elisabeth Lausecker, Alisha Truhlar, Martin Glaser, Armando Rastelli, Andreas Fuhrer, Daniel Loss, Georgios Katsaros
Nano Lett. 16, 6879–6885 (2016)
nanoelectronics group 
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