- Advanced FLUXONICS Process CJ2 Based on Sub-µm-Sized Cross-Type Nb/AlOx/Nb Josephson Junctions for Mixed Signal Circuits
J. Kunert, M. Schmelz, K. Peiselt, G. Oelsner, S. G. Reddy, T. Ortlepp, R. Stolz
- Wafer-Scale Al Junction Technology for Superconducting Quantum Circuits
Matthias Schmelz, E. Mutsenik, S. Bravin, A. Sultanov, M. Ziegler, U. Hübner, K. Peiselt, S. Mechold, G. Oelsner, J. Kunert, R. Stolz
- Observation of Josephson harmonics in tunnel junctions
Dennis Willsch, Dennis Rieger, Patrick Winkel, Madita Willsch, Christian Dickel, Jonas Krause, Yoichi Ando, Raphaël Lescanne, Zaki Leghtas, Nicholas T. Bronn, Pratiti Deb, Olivia Lanes, Zlatko K. Minev, Benedikt Dennig, Simon Geisert, Simon Günzler, Sören Ihssen, Patrick Paluch, Thomas Reisinger, Roudy Hanna, Jin Hee Bae, Peter Schüffelgen, Detlev Grützmacher, Luiza Buimaga-Iarinca, Cristian Morari, Wolfgang Wernsdorfer, David P. DiVincenzo, Kristel Michielsen, Gianluigi Catelani, Ioan M. Pop
arXiv: 2302.09192
- Noise-mitigated randomized measurements and self-calibrating shadow estimation
E. Onorati, J. Kitzinger, J. Helsen, M. Ioannou, A. H. Werner, I. Roth, J. Eisert
PREPRINT
arXiv: 2403.04751
- Anyon Condensation and the Color Code
Markus S. Kesselring, Julio C. Magdalena de la Fuente, Felix Thomsen, Jens Eisert, Stephen D. Bartlett, Benjamin J. Brown
arXiv: 2212.00042
- Noise-induced shallow circuits and absence of barren plateaus
Antonio Anna Mele, Armando Angrisani, Soumik Ghosh, Sumeet Khatri, Jens Eisert, Daniel Stilck França, Yihui Quek
PREPRINT
arXiv: 2403.13927
- Unbalanced penalization: a new approach to encode inequality constraints of combinatorial problems for quantum optimization algorithms
Alejandro Montanez-Barrera, Dennis Willsch, Alberto Maldonado-Romo, Kristel Michielsen
Quantum Science and Technology 9(2)
arXiv: 2211.13914
- The impact of noise on the simulation of NMR spectroscopy on NISQ devices
Andisheh Khedri, Pascal Stadler, Kirsten Bark, Matteo Lodi, Rolando Reiner, Nicolas Vogt, Michael Marthaler, Juha Leppäkangas
PREPRINT
arXiv: 2404.18903
- Operational Markovianization in randomized benchmarking
Pedro Figueroa-Romero, Miha Papič, Adrian Auer, Min-Hsiu Hsieh, Kavan Modi, Inés de Vega
arXiv: 2305.04704
- Microwave quantum memcapacitor effect
X.-Y. Qiu, S. Kumar, F. A. Cárdenas-López, G. Alvarado Barrios, E. Solano, F.Albarrán-Arriagada
arXiv: 2311.06925
- Hybrid discrete-continuous compilation of trapped-ion quantum circuits with deep reinforcement learning
Francesco Preti, Michael Schilling, Sofiene Jerbi, Lea M. Trenkwalder, Hendrik Poulsen Nautrup, Felix Motzoi, Hans J. Briegel
arXiv: 2307.05744
- Analog Information Decoding of Bosonic Quantum Low-Density Parity-Check Codes
Lucas Berent, Timo Hillmann, Jens Eisert, Robert Wille, Joschka Roffe
arXiv: 2311.01328
- Dispersive Qubit Readout with Intrinsic Resonator Reset
M. Jerger, F. Motzoi, Y. Gao, C. Dickel, L. Buchmann, A. Bengtsson, G. Tancredi, C.W. Warren, J. Bylander, D. DiVincenzo, R. Barends, P. A. Bushev
PREPRINT
arXiv: 2406.04891
- Environment-Mediated Long-Ranged Correlations in Many-Body System
Meng Xu, J. T. Stockburger, J. Ankerhold
PREPRINT
arXiv: 2406.17258
- Experimental error suppression in Cross-Resonance gates via multi-derivative pulse shaping
Boxi Li, Tommaso Calarco, Felix Motzoi
npj Quantum Information volume 10, Article number: 66
arXiv: 2303.01427
- Good Gottesman-Kitaev-Preskill codes from the NTRU cryptosystem
Jonathan Conrad, Jens Eisert, Jean-Pierre Seifert
arXiv: 2303.02432
- Charge-parity switching effects and optimisation of transmon-qubit design parameters
Miha Papič, Jani Tuorila, Adrian Auer, Inés de Vega, Amin Hosseinkhani
npj Quantum Information 10, Article number: 69
arXiv: 2309.17168
- Exponentially tighter bounds on limitations of quantum error mitigation
Yihui Quek, Daniel Stilck França, Sumeet Khatri, Johannes Jakob Meyer, Jens Eisert
Nature Physics 20, p. 1648–1658
arXiv: 2210.11505
- Gate operations for superconducting qubits and non-Markovianity
Kiyoto Nakamura, Joachim Ankerhold
Phys. Rev. Research 6, Article number: 033215
arXiv: 2402.18518
- Nonequilibrium quasiparticle distribution in superconducting resonators: effect of pair-breaking photons
P. B. Fischer, G. Catelani
arXiv: 2401.12607
- Domain Wall Color Code
K. Tiurev, A. Pesah, P.-J. H. S. Derks, J. Roffe, J. Eisert, M. S. Kesselring, J.-M. Reiner
Phys. Rev. Lett. 133, Article number: 110601
arXiv: 2307.00054
- Decoding quantum color codes with MaxSAT
L. Berent, L. Burgholzer, P.-J. H.S. Derks, J. Eisert & R. Wille
arXiv: 2303.14237
- Low-overhead quantum computing with the color code
Felix Thomsen, Markus S. Kesselring, Stephen D. Bartlett, Benjamin J. Brown
Phys. Rev. Research 6, Article number: 043125
arXiv: 2201.07806
- Lattice Hamiltonians and Stray Interactions Within Quantum Processors
Xuexin Xu, Manabputra, Chloé Vignes, Mohammad H. Ansari, John Martinis
arXiv: 2402.09145
- Exponentiation of Parametric Hamiltonians via Unitary interpolation
Michael Schilling, Francesco Preti, Matthias M. Müller, Tommaso Calarco, Felix Motzoi
arXiv: 2402.01498
- Transfer learning of optimal QAOA parameters in combinatorial optimization
J. A. Montanez-Barrera, Dennis Willsch & Kristel Michielsen
arXiv: 2402.05549
- Error-corrected quantum repeaters with Gottesman-Kitaev-Preskill qudits
Frank Schmidt, Daniel Miller & Peter van Loock
Physical Review A 109
- Understanding Radicals via Orbital Parities
Reza G. Shirazi, Benedikt M. Schoenauer, Peter Schmitteckert, Michael Marthaler, Vladimir Rybkin
arXiv: 2404.18787
- Solomon equations for qubit and two-level systems: Insights into non-Poissonian quantum jumps
Martin Spiecker, Andrei I. Pavlov, Alexander Shnirman & Ioan M. Pop
arXiv: 2307.06900
- Towards a Linear-Ramp QAOA protocol: Evidence of a scaling advantage in solving some combinatorial optimization problems
J. A. Montanez-Barrera, Kristel Michielsen
arXiv: 2405.09169
- Microwave quantum memcapacitor effect
Xinyu Qiu, Shubham Kumar, Francisco A. Cárdenas-López, Gabriel Alvarado Barrios, Enrique Solano & Francisco Albarrán-Arriagada
Communications Materials 5, Article number 70
- Evaluation of cryogenic models for FDSOI CMOS transistors
Chava, P., Alius, H., Bühler, J., Cabrera Galicia, A. R., Degenhardt, C., Gneiting, T., Harff, M., Heide, T., Javorka, P., Lederer, M., Lehmann, S., Simon, M., Su, M., Vliex, P., van Waasen, S., Witt, C., Zetzsche, D.
Conference Presentation: 16th IEEE Workshop on Low Temperature electronics, IEEE WOLTE16, Cagliari, Italy, 3 Jun 2024 - 6 Jun 2024
- Solving constrained combinatorial optimization problems on quantum devices with linear penalty terms
Pim van den Heuvel, Jhon A. Montanez-Barrera, Dennis Willsch & Kristel Michielsen
Poster: Adiabatic Quantum Computing 2024, AQC, Glasgow, UK, 10 Jun 2024 - 14 Jun 2024
- Dispersive Qubit Readout with Intrinsic Resonator Reset
M. Jerger, F. Motzoi, Y. Gao, C. Dickel, L. Buchmann, A. Bengtsson, G. Tancredi, C.W. Warren, J. Bylander, D. DiVincenzo, R. Barends, P. A. Bushev
arXiv: 2406.04891
- Controllable coupling between fundamental modes in an asymmetric superconducting coplanar waveguide resonator
E. Mutsenik; A. Sultanov; S. Linzen; M. Schmelz; D. Kalacheva ; O. Astafiev ORCID logo ; G. Oelsner; M. Ziegler; U. Hübner; R. Stolz; E. Il'ichev
Appl. Phys. Lett. 125, Article Number: 042601
- Charge-parity switching effects and optimisation of transmon-qubit design parameters
Miha Papič, J. Tuorila, A. Auer, I. de Vega & A. Hosseinkhani
npj Quantum Information volume 10, Article number: 69
- Good Gottesman-Kitaev-Preskill codes from the NTRU cryptosystem
J. Conrad, J. Eisert & J.-P. Seifert
Quantum 8, 1398
arXiv: 2303.02432v4
- Exponentially tighter bounds on limitations of quantum error mitigation
Y. Quek, D. Stilck França, S. Khatri, J. J. Meyer & J. Eisert
Nature Physics 20, p. 1648–1658
- Experimental error suppression in Cross-Resonance gates via multi-derivative pulse shaping
B. Li, T. Calarco & F. Motzoi
npj Quantum Information 10, Article number: 66
- SWAP-less Implementation of Quantum Algorithms
B. Klaver, S. Rombouts, M. Fellner, A. Messinger, K. Ender, K. Ludwig, W. Lechner
arXiv: 2408.10907
- Experimental measurement and a physical interpretation of quantum shadow enumerators
D. Miller, K. Levi, L. Postler, A. Steiner, L. Bittel, G. A. L. White, Y. Tang, E. J. Kuehnke, A. A. Mele, S. Khatri, L. Leone, J. Carrasco, C. D. Marciniak, I. Pogorelov, M. Guevara-Bertsch, R. Freund, R. Blatt, P. Schindler, T. Monz, M. Ringbauer, J. Eisert
arXiv: 2408.16914
- Emergence of noise-induced barren plateaus in arbitrary layered noise models
M. Schumann, F. K. Wilhelm and A. Ciani
Quantum Science & Technology 9, Article number: 045019
- Pulse-based variational quantum optimization and metalearning in superconducting circuits
Y. Wang, Y. Ding, F. Andrés Cárdenas-López, X. Chen
Phys. Rev. Applied 22, Article Number: 024009
- Diagnosing crosstalk in large-scale QPUs using zero-entropy classical shadows
J. A. Montañez-Barrera, G. P. Beretta, K. Michielsen, M. R. von Spakovsky
arXiv: 2408.17317
- Estimating the coherence of noise in mid-scale quantum systems
P. Figueroa-Romero, M. Papič, A. Auer, I. de Vega
arXiv: 2409.02110
- Domain Wall Color Code
K. Tiurev, A. Pesah, P.-J. H. S. Derks, J. Roffe, J. Eisert, M. S. Kesselring & J.-M. Reiner
Phys. Rev. Lett. 133, Article Number: 110601
- Scalable Room Temperature Control Electronics for Advanced High-Fidelity Qubit Control
M. Schloesser, L. E. Ardila-Perez, R. Gartmann, L. Scheller, M. Fuchs, O. Sander
2024 IEEE International Conference on Quantum Computing and Engineering (QCE)
- Toward the approach of passive photonic link in quantum computers
S. van Waasen, P. Vliex, M. Schlösser, S. Mutum
Poster: Silicon Quantum Electronics Workshop 2024, SiQEW 2024, Davos, Switzerland, 4 Sep 2024 - 6 Sep 2024
- The Quantum Interface Controller: A Full-Stack, Modular, and Scalable System for Qubit Readout and Manipulation
L. E. Ardila-Perez, M. Fuchs, R. Gartmann, L. Scheller, M. Schlösser, R. Heil
2024 IEEE International Conference on Quantum Computing and Engineering (QCE)
- Nonequilibrium quasiparticle distribution in superconducting resonators: Effect of pair-breaking photons
P. B. Fischer, G. Catelani
SciPost Phys. 17, Article number: 070
- Performance and signal quality analysis of a photonic link from room temperature to 6K using laser-photodiodes
S. Mutum, C. Grewing, A. R. Cabrera Galicia, M. Schlösser, P. Vliex, P. Chava & S. van Waasen
Poster: Applied Superconductivity Conference 2024, ASC 24, Salt Lake City, USA, 1 Sep 2024 - 6 Sep 2024
- Coherent and non-unitary errors in ZZ-generated gates
T. Müller, T. Stollenwerk, D. Headley, M. Epping & F. K. Wilhelm
Quantum science and technology 10, Article number: 015058
- Non-Markovian Ensemble Propagation
M. Sinanović, A. Ciani, S. Machnes & F. K. Wilhelm
arXiv: 2410.12301
- Quasiparticle effects in magnetic-field-resilient three-dimensional transmons
J. Krause, G. Marchegiani, L.M. Janssen, G. Catelani, Y. Ando & C. Dickel
Phys. Rev. Applied 22, p. 815-821
arXiv: 2302.09192v3
- Concurrent Fermionic Simulation Gate
Z. Jiang & M. H. Ansari
arXiv: 2411.19398
- Multi-Layer Cycle Benchmarking for high-accuracy error characterization
A. Calzona, M. Papič, P. Figueroa-Romero, A. Auer
arXiv: 2412.09332
- Designing fault-tolerant circuits using detector error models
P.-J. H.S. Derks, A. Townsend-Teague, A. G. Burchards, J. Eisert
arXiv: 2407.13826
- Coherent and non-unitary errors in ZZ-generated gates
T. Müller, T. Stollenwerk, D. Headley, M. Epping & F. K. Wilhelm
Quantum Science and Technology 10
- Optimal Control for Open Quantum System in Circuit Quantum Electrodynamics
M. Zhou, F. A. Cárdenas-López, S. Dominique, X. Chen
arXiv: 2412.20149
- Exponentiation of parametric Hamiltonians via unitary interpolation
M. Schilling, F. Preti, M. M. Müller, T. Calarco & F. Motzoi
Phys. Rev. Research 6, Article number: 043278
- Universal pulses for superconducting qudit ladder gates
B. Li, F. A. Cárdenas-López, A. Lupascu, F. Motzoi
arXiv: 2412.18339
- Digital-Analog Simulations of Schrödinger Cat States in the Dicke-Ising Model
D. S. Shapiro, Y. Weber, T. Bode, F. K. Wilhelm, D. Bagrets
arXiv: 2412.14285
- Interplay of coupling, residual, and quasiparticle losses for the frequency- and temperature-dependent quality factor of superconducting resonators
E. Ben Achour, C. Beydeda, G. Untereiner, M. Dressel, M. Scheffler
arXiv: 2412.08569
- Chasing shadows with Gottesman-Kitaev-Preskill codes
Jonathan Conrad, Jens Eisert, Steven T. Flammia
arXiv: arXiv:2411.00235
- Practical Methods for Efficient Analytical Control in Superconducting Qubits
Boxi Li
(Doctoral Thesis)
- A zero-entropy classical shadow reconstruction of density state operators
J. A. Montañez-Barrera
arXiv: arXiv:2408.17317
- Robust multi-mode superconducting qubit designed with evolutionary algorithms
P. García-Azorín
arXiv: arXiv:2407.18895
- Towards a universal QAOA protocol: Evidence of a scaling advantage in solving some combinatorial optimization problems
J. A. Montañez-Barrera
arXiv: arXiv:2405.09169
- Quantum Simulation of the Dicke-Ising Model via Digital-Analog Algorithms
D. S. Shapiro, Y. Weber, T. Bode, F. K. Wilhelm, D. Bagrets
