Superconducting nanowire single-photon detectors at the infrared spectrum range: detection efficiency and timing jitter
Proceedings of SPIE(2019)
摘要
This paper reviews some recent research progress in superconducting nanowire single-photon detectors (SNSPDs) at the infrared spectrum range, with particular emphasis on detection efficiency and timing jitter. For detection efficiency, we present fractal SNSPDs with reduced polarization sensitivity; for timing jitter, we present two mechanisms of device timing jitter - vortex-crossing-induced timing jitter and spatial-inhomogeneity-induced timing jitter.
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关键词
Superconducting nanowire single-photon detectors,photon counting,timing jitter,polarization,detection efficiency
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