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Detecting single infrared photons toward optimal system detection efficiency
Peng Hu, Hao Li, Lixing You +7
Superconducting nanowire single-photon detector (SNSPD) with near-unity system efficiency is a key enabling, but still elusive technology for numerous quantum fundamental theory ve…
Superconducting nanowire single photon detector at 532 nm and demonstration in satellite laser ranging
Hao Li, Sijing Chen, Lixing You +10
Superconducting nanowire single-photon detectors (SNSPDs) at a wavelength of 532 nm were designed and fabricated aiming to satellite laser ranging (SLR) applications. The NbN SNSPD…
Nonideal optical cavity structure of superconducting nanowire single photon detector
Hao Li, Weijun Zhang, Lixing You +8
Optical cavity structure has been proven to be a crucial factor for obtaining high detection efficiency in superconducting nanowire single photon detector (SNSPD). Practically, com…
Superconducting nanowire single photon detector with on-chip bandpass filter
Xiaoyan Yang, Hao Li, Weijun Zhang +7
Dark count rate is one of the key parameters limiting the performance of the superconducting nanowire single photon detector (SNSPD). We have designed a multi-layer film bandpass f…
Jitter analysis of a superconducting nanowire single photon detector
Lixing You, Xiaoyan Yang, Yuhao He +9
Jitter is one of the key parameters for a superconducting nanowire single photon detector (SNSPD). Using an optimized time-correlated single photon counting system for jitter measu…
Thin-film-like high temperature superconducting single crystal by mechanical exfoliation
X Wang, L X You, X M Xie +3
Thin-film-like high temperature superconducting Bi2Sr2CaCu2O8+x single crystals (TSB) with a typical thickness of 20-200 nm is produced by mechanical exfoliation. The TSB, which sh…