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Latest publications
2026
Low-loss material for infrared protection of cryogenic quantum applications
Griedel, M.; Kristen, M.; Gasharova, B.; Mathis, Y.-L.; Ustinov, A. V.; Rotzinger, H.
2026. Applied Physics Letters, 128 (20), Art.-Nr.: 204003. doi:10.1063/5.0323074
Griedel, M.; Kristen, M.; Gasharova, B.; Mathis, Y.-L.; Ustinov, A. V.; Rotzinger, H.
2026. Applied Physics Letters, 128 (20), Art.-Nr.: 204003. doi:10.1063/5.0323074
Mapping the positions of Two-Level-Systems on the surface of a superconducting transmon qubit
Lisenfeld, J.; Händel, A. K.; Daum, E.; Berlitz, B.; Bilmes, A.; Ustinov, A. V.
2026. npj Quantum Information, 12 (1), Art.-Nr.: 80. doi:10.1038/s41534-026-01272-5
Lisenfeld, J.; Händel, A. K.; Daum, E.; Berlitz, B.; Bilmes, A.; Ustinov, A. V.
2026. npj Quantum Information, 12 (1), Art.-Nr.: 80. doi:10.1038/s41534-026-01272-5
2025
Benchmarking the quality of multiplexed qubit readout beyond assignment fidelity
Di Giovanni, A.; Aasen, A. S.; Lisenfeld, J.; Gärttner, M.; Rotzinger, H.; Ustinov, A. V.
2025. Physical Review Applied, 24 (4), Art.-Nr: 044043. doi:10.1103/dpft-lxtx
Di Giovanni, A.; Aasen, A. S.; Lisenfeld, J.; Gärttner, M.; Rotzinger, H.; Ustinov, A. V.
2025. Physical Review Applied, 24 (4), Art.-Nr: 044043. doi:10.1103/dpft-lxtx
Parasitic RF-SQUIDs in superconducting qubits due to wirebonds
Berlitz, B.; Daum, E.; Deck, S.; Ustinov, A. V.; Lisenfeld, J.
2025. Superconductor Science and Technology, 38 (9), Art.-Nr.: 095002. doi:10.1088/1361-6668/adfd92
Berlitz, B.; Daum, E.; Deck, S.; Ustinov, A. V.; Lisenfeld, J.
2025. Superconductor Science and Technology, 38 (9), Art.-Nr.: 095002. doi:10.1088/1361-6668/adfd92
Resonant escape in Josephson tunnel junctions under millimeter-wave irradiation
Kämmerer, J. N.; Masis, S.; Hambardzumyan, K.; Lenhard, P.; Strobel, U.; Lisenfeld, J.; Rotzinger, H.; Ustinov, A. V.
2025. Applied Physics Letters, 126 (17), 172602. doi:10.1063/5.0258193
Kämmerer, J. N.; Masis, S.; Hambardzumyan, K.; Lenhard, P.; Strobel, U.; Lisenfeld, J.; Rotzinger, H.; Ustinov, A. V.
2025. Applied Physics Letters, 126 (17), 172602. doi:10.1063/5.0258193
Mitigation of correlated readout errors without randomized measurements
Aasen, A. S.; Di Giovanni, A.; Rotzinger, H.; Ustinov, A. V.; Gärttner, M.
2025. Physical Review A, 112 (2), Article no: 022601. doi:10.1103/6p6s-t8b7
Aasen, A. S.; Di Giovanni, A.; Rotzinger, H.; Ustinov, A. V.; Gärttner, M.
2025. Physical Review A, 112 (2), Article no: 022601. doi:10.1103/6p6s-t8b7