Publications

2025

High temporal stability of niobium superconducting resonators by surface passivation with organophosphonate self-assembled monolayers

Research Article | arXiv:2508.15957

H. Gupta, R. Pereira, L. Koch, N. Bruckmoser, M. Singer, B. Schoof, M. Kompatscher, S. Filipp, M. Tornow.

High-Q superconducting resonators fabricated in an industry-scale semiconductor-fabrication facility

Research Article | arXiv:2508.09577

N. Arlt, K. Houska, J. Braumüller, M. Kirsch, G. Metzger-Brückl, W. Raberg, T. Stangl, S. Filipp, J. Banker, F. Brandl.

Niobium Air Bridges as a Low-Loss Component for Superconducting Quantum Hardware

Research Article | arXiv:2503.12076

Niklas Bruckmoser, Leon Koch, Ivan Tsitsilin, Matthias Grammer, David Bunch, Lea Richard, Johannes Schirk, Florian Wallner, Julius Feigl, Christian Schneider, Stephan Geprägs, Vera Bader, Matthias Althammer, Lasse Södergren, Stefan Filipp

Niobium Air Bridges as a Low-Loss Component for Superconducting Quantum Hardware

Research Article | arXiv:2503.12076

Scalable Fluxonium-Transmon Architecture for Error Corrected Quantum Processors

Research Article | arXiv:2508.09267

L. Heunisch, L. Huang, S. Tasler, J. Schirk, F. Wallner, V. Feulner, B. Sarma, K. Liegener, C.M.F. Schneider, S. Filipp, M.J. Hartmann

Closed-loop optimization for high-fidelity controlled-Z gates in superconducting qubits

Research Article | Physical Review Applied 24, 024048 (2025)

Preprint: arXiv:2412.17454

N. J. Glaser, F. A. Roy, I. Tsitsilin, L. Koch, N. Bruckmoser, J. Schirk, J. H. Romeiro, G. B. P. Huber, F. Wallner, M. Singh, G. Krylov, A. Marx, L. Södergren, C. M. F. Schneider, M. Werninghaus, S. Filipp

Parametric multielement coupling architecture for coherent and dissipative control of superconducting qubits

Research Article | Physical Review X Quantum 6, 030313 (2025)

Preprint: arXiv:2403.02203

G. B. P. Huber, F. A. Roy, L. Koch, I. Tsitsilin, J. Schirk, N. J. Glaser, N. Bruckmoser, C. Schweizer, J. Romeiro, G. Krylov, M. Singh, F. X. Haslbeck, M. Knudsen, A. Marx, F. Pfeiffer, C. Schneider, F. Wallner, D. Bunch, L. Richard, L. Södergren, K. Liegener, M. Werninghaus, S. Filipp

Parity-dependent state transfer for direct entanglement generation

Research Article | Nature Communications 16, 2660 (2025)

Preprint: arXiv:2405.19408

F. A. Roy, J. H. Romeiro, L. Koch, I. Tsitsilin, J. Schirk, N. J. Glaser, N. Bruckmoser, M. Singh, F. X. Haslbeck, G. B. P. Huber, G. Krylov, A. Marx, F. Pfeiffer, C. M. F. Schneider, C. Schweizer, F. Wallner, D. Bunch, L. Richard, L. Södergren, K. Liegener, M. Werninghaus, S. Filipp

Protected Fluxonium Control with Sub-harmonic Parametric Driving

Research Article | Physical Review X Quantum 6 (2025)

Preprint: arXiv:2410.00495

J. Schirk, F. Wallner, L. Huang, I. Tsitsilin, N. Bruckmoser, L. Koch, D. Bunch, N. J. Glaser, G. B. P. Huber, M. Knudsen, G. Krylov, A. Marx, F. Pfeiffer, L. Richard, F. A. Roy, J. H. Romeiro, M. Singh, L. Södergren, E. Dionis, D. Sugny, M. Werninghaus, K. Liegener, C. M. F. Schneider, S. Filipp

2024

Robust multi-mode superconducting qubit designed with evolutionary algorithms

Research Article | arXiv:2407.18895

P. García-Azorín, F. A. Cárdenas-López, G. B. P. Huber, G. Romero, M. Werninghaus, F. Motzoi, S. Filipp, M. Sanz

Efficient Decoupling of a Nonlinear Qubit Mode from Its Environment

Research Article | Physical Review X 14, 041007 (2024)

Preprint: arXiv:2312.16988

F. Pfeiffer, M. Werninghaus, C. Schweizer, N. Bruckmoser, L. Koch, N. J. Glaser, G. Huber, D. Bunch, F. X. Haslbeck, M. Knudsen, G. Krylov, K. Liegener, A. Marx, L. Richard, J. H. Romeiro, F. Roy, J. Schirk, C. Schneider, M. Singh, L. Södergren, I. Tsitsilin, F. Wallner, C. A. Riofrío, S. Filipp