Dr. Klaus Liegener

Contact

Room 144

+49 (0) 89 289 - 14216

E-mail

Assignments

Project Manager: Quantum Computing and Information Processing

Projects

MUNIQC-SC (Munich Quantum Valley Quantencomputer Demonstratoren – Supraleitende Qubits)

Stefan Filipp, Daniil Bazulin, Niklas Bruckmoser, Stefan Filipp, Niklas Glaser, Franz X. Haslbeck, Gerhard Huber, Martin Knudsen, Leon Koch, Klaus Liegener, Achim Marx, Hans Huebl, Rudolf Gross, Lea Richard, Joao Henrique Romeiro Alves, Federico Roy, Johannes Schirk, Christian Schneider, Christian Schweizer, Ivan Tsitsilin, Florian Wallner, Max Werninghaus

Publications of Dr. Klaus Liegener

2026

Theory of Multi-photon Processes for Applications in Quantum Control

Research Article | Physical Review A 113, 032620 (2026)

Preprint: arXiv:2509.16074

Longxiang Huang, Jacquelin Luneau, Johannes Schirk, Florian Wallner, Christian M. F. Schneider, Stefan Filipp, Klaus Liegener, Peter Rabl

2025

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

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

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

Solving quantum chemistry problems on quantum computers

Review | Physics Today 77, 34-42 (2024)

Klaus Liegener, Oliver Morsch, Guido Pupillo

2022

Quantum speed limit and stability of coherent states in quantum gravity

Research Article | IOP Classical and Quantum Gravity 39 (2022)

Klaus Liegener and Łukasz Rudnicki

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