Publications

2023

Beating-free quantum oscillations in two-dimensional electron gases with strong spin-orbit and Zeeman interactions
D. R. Candido, S. I. Erlingsson, H. Gramizadeh, J. V. I. Costa, P. J. Weigele, D. M. Zumbühl, J. C. Egues.
Phys. Rev. Res. 5 (Dec 2023)
Dataset

Capacitive crosstalk in gate-based dispersive sensing of spin qubits
E. G. Kelly, A. Orekhov, N. W. Hendrickx, M. Mergenthaler, F. J. Schupp, S. Paredes, G. Salis.
Applied Physics Letters 123 (Dec 2023)
arXiv:2309.10473 (Sep 2023)

Cryogenic InGaAs HEMTs with Reduced On-Resistance using Strained Ohmic Contacts
E. Cha, A. Ferraris, P. Mueller, H.-C. Han, D. Caimi, M. Sousa, C. Enz, C. Zota.
IEEE (Dec 2023)

Control of Ge island coalescence for the formation of nanowires on silicon
S. Panikar Ramanandan, J. Reñé Sapera, A. Morelle, S. Martí-Sánchez, A. Rudra, J. Arbiol, V. G. Dubrovskii, A. Fontcuberta i Morral.
Nanoscale Horizons 4 (Dec 2023)

Phase-driving hole spin qubits.
S. Bosco, S. Geyer, L.C. Camenzind, R.S. Eggli, A. Fuhrer. R. Warburton, D. M. Zumbühl, J. C. Egues, A. V. Kuhlmann, D. Loss.
Physical Review Letters 131 (Nov 2023)

Influence of Different Carrier Gases, Temperature, and Partial Pressure on Growth Dynamics of Ge and Si Nanowires
N. Forrer, A. Nigro, G. Gadea, I. Zardo.
Nanomaterials 13 (Oct 2023)

NbN films with high kinetic inductance for high-quality compact superconducting resonators
S. Frasca, I. N. Arabadzhiev, S. Y. Bros, F. Oppliger, V. Jouanny, R. Musio, M. Scigliuzzo, F. Minganti, P. Scarlino, E. Charbon.
Physical Review Applied 20 (Oct 2023)

Performance of high impedance resonators in dirty dielectric environments
J.H. Ungerer, D. Sarmah, A. Kononov, J. Ridderbos, R. Haller, L.Y. Cheung, C. Schönenberger.
EPJ Quantum Technology 10 (Oct 2023)
arXiv:2302.06303 (Sep 2023)
Dataset

Quantum computing on magnetic racetracks with flying domain wall qubits
J. Zou, S. Bosco, B. Pal, S. S. P. Parkin, J. Klinovaja, D. Loss.
Phys. Rev. Research 5 (Sep 2023)

Quantum  Dots  Array  on  Ultra-Thin  SOI Nanowires with Ferromagnetic Cobalt Barrier Gates for Enhanced Spin Qubit Control
F. Bersano, M. Aldeghi, E. Collette, M. Ghini, F. De Palma, F. Oppliger, P. Scarlino, F. Braakman, M. Poggio, H. Riel,G. Salis, R. Allenspach, A. Ionescu.
Symposium VLSI Technology (VLSI2023). IEEE. (Sep 2023)

Strong coupling between a microwave photon and a singlet-triplet qubit
J.H. Ungerer, A. Pally, A. Kononov, S. Lehmann, J. Ridderbos, C. Thelander, K.A. Dick, V.F. Maisi, P. Scarlino, A. Baumgartner, C. Schönenberger.
Nature Communications 15 (Feb 2023)
arXiv:2303.16825 (Sep 2023)
Dataset

Cavity-induced charge transfer in periodic systems: length-gauge formalism
E. Vlasiuk, , V. K. Kozin, J. Klinovaja, D., Loss, I. V. Iorsh, , I. V. Tokatly.
Physical Review B 108 (Aug 2023)

Identifying Pauli spin blockade using deep learning
J. Schuff, D. T. Lennon, S. Geyer, D. L. Craig, F. Fedele, F. Vigneau, L. C. Camenzind, A. V. Kuhlmann, G. A. D. Brigg, D. M. Zumbühl, D. Sejdinovic, N. Ares.
Quantum 7 (Aug 2023)
Dataset

Determination of spin-orbit interaction in semiconductor nanostructures via nonlinear transport
R. M. Dantas, H. F. Legg, , S Bosco, D. Loss, J. Klinovaja.
Physical Review B 107 (Jun 2023)

Microscopic analysis of proximity-induced superconductivity and metallization effects in superconductor-germanium hole nanowires
C. Adelsberger, H. F. Legg, D. Loss, J. Klionvaja.
Physical Review B 108 (Oct 2023)
arXiv:2306.06944 (Jun 2023)

Quantum dots array on ultra-thin SOI nanowires with ferromagnetic cobalt barrier gates for enhanced spin qubit control
F. Bersano, M. Aldeghi, E. Collette, M. Ghini, F. De Palma, F. Oppliger, P. Scarlino, F. Braakman, M. Poggio, H. Riel, G. Salis, R. Allenspach, A. Ionescu.
IEEE (Jun 2023)

Scanning NV magnetometry of focused-electron- beam-deposited cobalt nanomagnets
L .Žaper, P. Rickhaus, M. Wyss, B. Gross, M. Poggio, F. Braakman.
ACS Applied Nano Materials 7 (Feb 2024)
arXiv: 2306.06650 (Jun 2023)

Tailoring quantum error correction to spin qubits
B. Hetenyi, J. R. Wootton.
Physical Review A 109 (Mar 2024)
arXiv:2306.17786 (Jun 2023)
Dataset

A compact and versatile cryogenic probe station for quantum device testing
M. de Kruijf, S. Geyer, T. Berger, M. Mergenthaler, F. Braakman, R. J. Warburton, A. V. Kuhlmann.
Rev. Sci. Instrum. 94 (May 2023)
Dataset

Measurement-induced population switching
M. S. Ferguson, L. C. Camenzind, C. Müller, D. E. F. Biesinger, C. P. Scheller, B. Braunecker, D. M. Zumbühl, O. Zilberberg.
Physical Review Research 5 (Apr 2023)

Quantum Measurement induces a many-body transition
M. S. Ferguson, L. C. Camenzind, C. Müller, D. E. F. Biesinger, C. P. Scheller, B. Braunecker, D. M. Zumbühl, O. Zilberberg.
Phys. Rev. Research 5 (Apr 2023)
Dataset

Cryogenic hyperabrupt strontium titanate varactors for sensitive reflectometry of quantum dots
R. S. Eggli, S. Svab, T. Patlatiuk, D. Trüssel, M. J. Carballido, P. C. Kwon, Simon G. A. Li, E. P. A. M. Bakkers, A. V. Kuhlmann, D. M. Zumbühl.
Physical Review Applied 20 (Nov 2023)
arXiv: 2303.02933 (Mar 2023)

Dimensional reduction of the Luttinger-Ward functional for spin-degenerate D-dimensional electron gases
D. Miserev, J. Klinovaja, D. Loss.
Phys. Rev. B 108 (Mar 2023)

Electron-beam lithography of nanostructures at the tips of scanning probe cantilevers
L. Forrer, A. Kamber, A. Knoll, M. Poggio, F. Braakman.
AIP Adv. 13 (Mar 2023)

Modular nanomagnet design for spin qubits confined in a linear chain
M. Aldeghi, R. Allenspach, G., Salis.
Applied Physics Letters 122 (Mar 2023)
Dataset

Phase driving hole spin qubits
S. Bosco, S. Geyer, L. C. Camenzind, R. S. Eggli, A. Fuhrer, R. J. Warbur- ton, D. M. Zumbühl, J. C. Egues, A. . Kuhlmann, D. Loss.
Physical Review Letters 131 (Nov 2023)
arXiv: 2303.03350 (Mar 2023)
Dataset

Proximity-Induced Superconductivity in Atomically Precise Nanographene on Ag Nb(110)
L. Jung-Ching, R. Pawlak, X. W., Hongyan Chen, P. D’Astolfo, C. Drechsel, P. Zhou, R. Häner, S. Decurtins, Ulrich Aschauer, S. Liu, W. Wulfhekel, E. Meyer.
ACS Materials Letters 5 (Mar 2023)

Readout of quantum devices with a sideband microwave interferometer immune to systematic noise
N. Crescini, E. G. Kelly, G. Salis, A. Fuhrer.
Physical Review Applied 20 (Oct 2023)
arXiv:2303.07018 (Mar 2023)
Dataset

A generalizable TCAD framework for silicon FinFET spin qubit devices with electrical control
Q. Ding, A. V. Kuhlmann, A. Fuhrer, A.Schenk.
Solid-State Electronics 200 (Feb. 2023)
Dataset

Planar Josephson junctions in germanium: Effect of cubic spin-orbit interaction
M. Luethi, K. Laubscher, S. Bosco, D. Loss, J. Klinovaja.
Physical Review B 107 (Jan 2023)

Qiskit QEC
J. R. Wootton and Qiskit contributors.
GitHub (2023)
Dataset

2022

Cryogenic InGaAs HEMT-based switches for quantum signal routing
A. Ferraris, E. Cha, P. Mueller, T. Morf, , M. Prathapan, M. Sousa, & C. B. Zota.
2022 International Electron Devices Meeting (IEDM) IEEE (Dec. 2022)
Dataset

Majorana-like Coulomb spectroscopy in the absence of zero-bias peaks
M. Valentini, M. Borovkov, E. Prada, S. Marti-Sanchez, M. Botifoll, A. Hofmann, J. Arbiol, R. Aguado, P. San-Jose, G. Katsaros.
Nature 612 (Dec. 2022)
arxiv:2203.07829
Dataset

Spin Qubits in Silicon FinFET Devices
A. Fuhrer, M. Aldeghi, T. Berger, L. C. Camenzind, R. S. Eggli, S. Geyer, P. Harvey-Collard, N. W. Hendrickx, E. G. Kelly, L. Massai, M. Mergenthaler, P. Müller, A. V. Kuhlmann, T. Patlatiuk, S. Paredes, F. J. Schupp, G. Salis, L. Sommer, K. Tsoukalas, N. Trivino, R. J. Warburton, D. M. Zumbühl.
2022 International Electron Devices Meeting (IEDM) (Dec. 2022)
Dataset

Two-qubit logic with anisotropic exchange in a fin field-effect transistor
S. Geyer, B. Hetényi, S. Bosco, L. C. Camenzind, R. S. Eggli, A. Fuhrer, D. Loss, R. J. Warburton, D. M. Zumbühl, A. V. Kuhlmann.
arxiv:2212.02308 (Dec. 2022)
Dataset

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.
Materials for Quantum Technology 3 (2023)
arxiv:211.00763 (Dec. 2022)
Dataset

Atomically Precise Incorporation of BN-Doped Rubicene into Graphene Nanoribbons
R. Pawlak, K.N. Anindya, T. Shimizu, J. Liu, T. Sakamaki, R.Shang, A. Rochefort, E. Nakamura, E.Meyer.
Journal of Physical Chemistry C 126 (Nov. 2022)
arxiv:2306.07586

Improving readout in quantum simulations with repetition codes
J. M. Günther, F. Tacchino, J. R. Wootton, I. Tavernelli, and P.K.Barkoutsos.
Quantum Science and Technology 7 (2022)
arxiv:2105.13377

Dynamics of van der Waals Charge Qubit in 2D Bilayers: Ab initio Quantum Transport and Qubit Measurement
J. Cao, G. Gandus, T. Agarwal, M. Luisier, Y. Lee
Physical Review Research 4 (Oct. 2022)
arxiv:2210.07350

A cryogenic SRAM based arbitrary waveform generator in 14 nm for spin qubit control
M. Prathapan, M. Kossel, P. Mueller, M. Braendli, P. A. Francese, D. Heim, M. V. Oropallo, A. Ruffino, C. Zota, and T. Morf.
ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (Oct. 2022)
arxiv:2211.02017
Dataset

Multi-Gate FD-SOI Single Electron Transistor for Hybrid SET-MOSFET Quantum Computing
F. Bersano, F. De Palma, F. Oppliger, F. Braakman, I. Radu, P. Scarlino, M. Poggio, and M. A. Ionescu.
ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (Oct. 2022)

Hole spin qubits in thin curved quantum wells
S. Bosco and D. Loss.
Phys. Rev. Applied 18 (Oct. 2022)
arXiv:2204.08212

Anomalous zero-field splitting for hole spin qubits in Si and Ge quantum dots
B. Hetényi, S. Bosco, D. Loss.
Physical Review Letters 129 (Sep 2022)
arxiv:2205.02582

A system design approach toward integrated cryogenic quantum control systems
M. Prathapan, P. Mueller, D. Heim, M. V. Oropallo, M. Kossel, P. A. Francese, M. Brändli, A. Ruffino, C. Zota, E. Cha, and T. Morf.
IEEE 15th Workshop on Low Temperature Electronics (WOLTE) (Sep. 2022)
arxiv:2211.02081
Dataset

Coupled Superconducting Spin Qubits with Spin-orbit Interaction
M. Spethmann, X.-P. Zhang, J. Klinovaja, and D. Loss.
Phys. Rev. B 106 (Sep. 2022)
arXiv:2205.03843

Energy Dissipation from Confined States in Nanoporous Molecular Networks
P. D’Astolfo, X. Wang, X. Liu, M. Kisiel, C. Drechsel, A. Baratoff, U. Aschauer, S. Decurtins, S. Liu, R. M. Pawlak, E. Meyer.
ACS Nano 16 (2022)

Syndrome-Derived Error Rates as a Benchmark of Quantum Hardware
J. R. Wootton.
arXiv:2207.00553 (Jul. 2022)
Dataset

Fully Tunable Longitudinal Spin-Photon Interactions in Si and Ge Quantum Dots
S. Bosco, P. Scarlino, J. Klinovaja, and D. Loss.
Phys. Rev. Lett. 129 (Aug. 2022)
arXiv:2203.17163

Ancilla-free implementation of generalized measurements for qubits embedded in a qudit space
L. E. Fischer, D. Miller, F. Tacchino, P. K. Barkoutsos, D. J. Egger, and I. Tavernelli.
Phys. Rev. Research 4, 033027 (Jul. 2022)
arXiv:2203.07369

Enhanced Orbital Magnetic Field Effects in Ge Hole Nanowires
C. Adelsberger, M. Benito, S. Bosco, J. Klinovaja, and D. Loss.
Physical Review B, 106(23) (Dec 2022)
arXiv: 2207.12050 (Jul. 2022)

Hexagonal matching codes with 2-body measurements
J. R. Wootton.
Journal of Physics A: Mathematical and Theoretical 55, 295302 (Jul. 2022)
arXiv:2109.13308
Dataset

In situ Tuning of the Electric-Dipole Strength of a Double-Dot Charge Qubit: Charge-Noise Protection and Ultrastrong Coupling
P. Scarlino, J. H. Ungerer, D. J. van Woerkom, M. Mancini, P. Stano, C. Müller, A. J. Landig, J. V. Koski, C. Reichl, W. Wegscheider, T. Ihn, K. Ensslin, and A. Wallraff.
Phys. Rev. X. 12 (2022)
arxiv:2104.03045
Dataset

Syndrome-Derived Error Rates as a Benchmark of Quantum Hardware
J. R. Wootton.
arXiv: 2207.00553 (Jul 2022)

Long-distance Coupling of Spin Qubits via Topological Magnons
B. Hetényi, A. M. A., J. Klinovaja, and D. Loss.
Physical Review B, 106 (Dec 2022)
arXiv: 2207.01264 (Jul. 2022)

Topological Codes Module, Qiskit Ignis.
J. Wootton, D. Miller, and Qiskit contributors.
GitHub (Jun. 2022)
Dataset

Coherent Hole Transport in Selective Area Grown Ge Nanowire Networks
S. Ramanandan, P. Tomi´c, N. P. Morgan, A. Giunto, A. Rudra, K. Ensslin, T. Ihn, A. Fontcuberta i Morral.
Nano Letters 22 (May 2022)

Scalable Cryogenic InGaAs Quantum Well Switches for Signal Routing A. Ferraris, E. Cha, P. Mueller, T. Morf, and C. Zota.
Device research Conference 2022, June 26-29, Columbus Ohio USA (Apr. 2022)

Dynamics of hole singlet triplet qubits with large g-factor differences
D. Jirovec, P. M. Mutter, A. Hofmann, J. Kukucka, A. Crippa, F. Martins, A. Ballabio, D. Chrastina, G. Isella, G. Burkard, G. Katsaros.
Phys. Rev. Lett. 128 (2022)
arxiv:2012.00322

Hardware-Tailored Diagonalization Circuits
D. Miller, L. E. Fischer, I. O. Sokolov, P. K. Barkoutsos, I. Tavernelli.
arXiv: 2203.03646 (Mar. 2022)

Hole-spin Qubits in Ge Nanowire Quantum Dots: Interplay of Orbital Magnetic Field, Strain, and Growth Direction
C. Adelsberger, M. Benito, S. Bosco, J. Klinovaja, D. Loss.
Phys. Rev. B 105 (Feb 2022)
arXiv:2110.15039

A hole spin qubit in a fin field-effect transistor above 4 kelvin
L. C. Camenzind, S. Geyer, A. Fuhrer, R. J. Warburton, D. M. Zumbühl, A. V. Kuhlmann.
Nature Electronics 5 (Jan 2022)
arXiv:2103.07369
Dataset

Charge-noise induced dephasing in silicon hole-spin qubits
O. Malkoc, P. Stano, D. Loss.
Physical Review Letters, 129 (Dec 2022)
arXiv:2201.06181 (Jan 2022)

Instability of the ferromagnetic quantum critical point in strongly interacting 2D and 3D electron gases with arbitrary spin-orbit splitting
D. Miserev, D. Loss, J. Klinovaja.
arXiv:2201.10995 (Jan. 2022)

2021

Fully tunable hyperfine interactions of hole spin qubits in Si and Ge quantum dots
S. Bosco and D. Loss.
Phys. Rev. Lett. 127, 190501 (Nov 2021)
arXiv:2106.13744

Learning to measure: adaptive informationally complete POVMs for near-term quantum algorithms
G. García-Pérez, M.A.C. Rossi, B. Sokolov, F. Tacchino, P. Barkoutsos, G. Mazzola, I. Tavernelli, S. Maniscalco.
PRX Quantum 2, 040342 (Nov 2021)
arXiv:2104.00569

Teaching quantum computing with an interactive textbook
J. R.Wootton, F. Harkins, N. T. Bronn, A. Carrera Vazquez, A. Phan, A. T. Asfaw. 2021 IEEE International Conference on Quantum Computing and Engineering (QCE).
IEEE. (Nov 2021)
arXiv:2012.09629

Effects of surface treatments on flux tunable transmon qubits
M. Mergenthaler, C. Müller, M. Ganzhorn, S. Paredes, P. Müller, G. Salis, V. P. Adiga, M. Brink, M. Sandberg, J. B. Hertzberg, S. Filipp, A. Fuhrer.
npj Quantum Information (Oct. 2021)
arXiv:2103.07970

Squeezed hole spin qubits in Ge quantum dots with ultrafast gates at low power
S. Bosco, M. Benito, C. Adelsberger, and D. Loss.
Physical Review B 104, 115425 (Sep 2021)
arXiv:2103.16724

Cross-architecture Tuning of Silicon and SiGe-based Quantum Devices Using Machine Learning
B. Severin, D. T. Lennon, L. C. Camenzind, F. Vigneau, F. Fedele, D. Jirovec, A. Ballabio, D. Chrastina, 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, and Ares N.
arXiv: 2107.12975 (Jul 2021)

High mobility Si MOSFETs fabricated in a full 300 mm CMOS process
T. N. Camenzind, A. Elsayed, F. A. Mohiyaddin, R. Li, S. Kubicek, J. Jussot, P. Van Dorpe, B. Govoreanu, I. Radu, and D. M. Zumbühl. 
Materials for Quantum Technology 1, 041001 (Jul 2021)
arXiv:2106.05254
Dataset

Deep Reinforcement Learning for Efficient Measurement of Quantum Devices
V. Nguyen, S. B. Orbell, D.T. Lennon, H. Moon, F. Vigneau, L.C. Camenzind, L. Yu, D.M. Zumbühl, G.A.D. Briggs, M. A. Osborne, D. Sejdinovic, and N. Ares.
npj Quantum Information 7, 100 (Jun 2021)
arXiv:2009.14825

Isotropic and Anisotropic g-factor Corrections in GaAs Quantum Dots
L. C. Camenzind, S. Svab, P. Stano, L. Yu, J. D. Zimmerman, A. C. Gossard, D. Loss, and D. M. Zumbühl.
Physical Review Letters 127, 057701 (Jun 2021)
arXiv:2010.11185
Dataset

Hole Spin Qubits in Si FinFETs With Fully Tunable Spin-Orbit Coupling and Sweet Spots for Charge Noise
S. Bosco, B. Hetényi, and D. Loss.
PRX Quantum 2.1, 010348 (Mar 2021)
arXiv:2011.09417

Self-aligned gates for scalable silicon quantum computing
S. Geyer, L. C. Camenzind, L. Czornomaz, V. Deshpande, A. Fuhrer, R.Warburton, D. M. Zumbühl, and A. Kuhlmann.
Appl. Phys. Lett. 118, 104004 (Mar 2021)
arXiv:2007.15400

8.3 An 8b DAC-Based SST TX Using Metal Gate Resistors with 1.4pJ/b Efficiency at 112Gb/s PAM-4 and 8-Tap FFE in 7nm CMOS
M. A. Kossel, V. Khatri, M. Braendli, P. A. Francese, T. Morf, S. A. Yonar, M. Prathapan, E. J. Lukes, R. A. Richetta, and C. Cox.
2021 IEEE International Solid- State Circuits Conference (ISSCC) 64, 130–132 (Feb 2021)

Hole Spin Qubits in Ge Nanowire Quantum Dots: Interplay of Orbital Magnetic Field, Strain, and Growth Direction
C. Adelsberger, M. Benito, S. Bosco, J. Klinovaja, and D. Loss.
Rev. B 105, 075308 (Feb 2021)
arXiv:2110.15039

Strong spin-orbit interaction and g-factor renormalization of hole spins in Ge/Si nanowire quantum dots
F. N. M. Froning, M. J. Rancic, B. Hetenyi, S. Bosco, M. K. Rehmann, A. Li, E. P. A. M. Bakkers, F. A. Zwanenburg, D. Loss, D. M. Zumbühl, and F. R. Braakman.
Phys. Rev. Res. 3, 013081 (Jan 2021)
arXiv:2007.04308

The germanium quantum information route
G. Scappucci, C. Kloeffel, F. A. Zwanenburg, D. Loss, M. Myronov, J. Zhang, S. De Franceschi, G. Katsaros, and M. Veldhorst.
Nature Reviews Materials 6 (Jan 2021)
arXiv:2004.08133

Ultrafast Hole Spin Qubit with Gate-Tunable Spin-Orbit Switch Functionality
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 16 (Jan 2021)
arXiv:2006.11175
Dataset

2020

Quantum Measurement induces a many-body transition
M. S. Ferguson, L. C. Camenzind, C. Müller, D. E. F. Biesinger, C. P. Scheller, B. Braunecker, D. M. Zumbühl, O. Zilberberg
arXiv:2010.04635 (Oct 2020)

Exchange interaction of hole-spin qubits in double quantum dots in highly anisotropic semiconductors
B. Hetényi, C. Kloeffel, and D. Loss
Phys. Rev. Research 2, 033036 (Jul 2020)
arXiv:2004.07658

2018

Ambipolar quantum dots in undoped silicon fin field-effect transistors
A. V. Kuhlmann, V. Deshpande, L. C. Camenzind, D. M. Zumbühl, and A. Fuhrer.
Appl. Phys. Lett. 113, 122107 (Sep 2018)
arXiv:1807.04121