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The thermally-coupled imager: A scalable readout architecture for superconducting nanowire single photon detectors
Adam N. McCaughan, Yao Zhai, Boris Korzh +4
Although superconducting nanowire single-photon detectors (SNSPDs) are a promising technology for quantum optics, metrology, and astronomy, they currently lack a readout architectu…
Determining the depairing current in superconducting nanowire single-photon detectors
S. Frasca, B. Korzh, M. Colangelo +12
We estimate the depairing current of superconducting nanowire single photon detectors (SNSPDs) by studying the dependence of the nanowires kinetic inductance on their bias current.…
High-efficiency WSi superconducting nanowire single-photon detectors operating at 2.5 K
V. B. Verma, B. Korzh, F. Bussières +7
We investigate the operation of WSi superconducting nanowire single-photon detectors (SNSPDs) at 2.5 K, a temperature which is ~ 70 % of the superconducting transition temperature…
Anomalous avoided level crossings in a Cooper-pair box spectrum
Z. Kim, V. Zaretskey, Y. Yoon +5
We have observed a few distinct anomalous avoided level crossings and voltage dependent transitions in the excited state spectrum of an Al/AlOx/Al Cooper-pair box (CPB). The device…