Dr. Lasse Södergren

Contact
ICON room
Room 131
ICON email
Assignments
  • Postdoc: Quantum Computing and Information Processing
  • Postdoc: Thin Film Technology

 

 

 

ICON calendar
Projects
OpenSuperQPlus (Open Superconducting Quantum Computers Plus) - responsible
Stefan Filipp, Lasse Södergren, Max Werninghaus, Christian Schneider
(QuantumSPICE)
Stefan Filipp, Vera Bader, Niklas Bruckmoser, David Bunch, Julius Feigl, Christian Gnandt, Haiyang Hu, Leon Koch, Lea Richard, Amanda Scoles, Lasse Södergren, Stefan Filipp
Publications of Dr. Lasse Södergren

2025

ICON publication
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
ICON publication
Superconducting Qubit Gates Robust to Parameter Fluctuations
Research Article | arXiv:2511.22580
E. Wright, L. Van Damme N. J. Glaser, A. Devra, F. A. Roy, J. Englhardt, N.Bruckmoser, L.Koch, A. Marx, J. Schirk, C.M.F. Schneider, L. Södergren, F. Wallner, S. J. Glaser, M. Werninghaus, S. Filipp
ICON publication
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
ICON publication
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
ICON publication
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
ICON publication
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

ICON publication
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
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