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physics.optics2015★ 44 cited
Large-sensitive-area superconducting nanowire single-photon detector at 850 nm with high detection efficiency
Hao Li, Lu Zhang, Lixing You +6
Satellite-ground quantum communication requires single-photon detectors of 850-nm wavelength with both high detection efficiency and large sensitive area. We developed superconduct…
physics.optics2015★ 28 cited
Dark counts of superconducting nanowire single-photon detector under illumination
Sijing Chen, Lixing You, Weijun Zhang +5
An abnormal increase in the SDE was observed for superconducting nanowire single-photon detectors (SNSPDs) when the bias current (Ib) was close to the switching current (Isw). By i…