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Tunable Superconducting Qubits with Flux-Independent Coherence
M. D. Hutchings, Jared B. Hertzberg, Yebin Liu +4
We have studied the impact of low-frequency magnetic flux noise upon superconducting transmon qubits with various levels of tunability. We find that qubits with weaker tunability e…
Gyrator operation using Josephson mixers
Baleegh Abdo, Markus Brink, Jerry M. Chow
Nonreciprocal microwave devices, such as circulators, are useful in routing quantum signals in quantum networks and protecting quantum systems against noise coming from the detecti…
Time-multiplexed amplification in a hybrid-less and coil-less Josephson parametric converter
Baleegh Abdo, Jose M. Chavez-Garcia, Markus Brink +2
Josephson parametric converters (JPCs) are superconducting devices capable of performing nondegenerate, three-wave mixing in the microwave domain without losses. One drawback limit…