24 October 2014 1.2-GHz gated single-photon detector with simple filtering
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Abstract
A 1.2-GHz gated infrared single-photon detector based on InGaAs/InP avalanche photodiode (APD) is designed. The APD is working in Geiger mode, gated by 1.2-GHz pseudo-sine wave signal, cooled by a 4-stage Peltier cooler with fancooling. A group of simple 9th order Bessel LC low-pass filters are used to suppress the transient response of the APD by 60 dB. The typical detection efficiency, dark-count probability and afterpulse probability of the detector were 15.1%, 3.76×10-6 /gate and 1.26%, respectively. The detector is based on commercially available inexpensive devices and can be manufactured easily.
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Junliang Liu, Junliang Liu, Chunfang Zhang, Chunfang Zhang, Yongfu Li, Yongfu Li, Zuqiang Wang, Zuqiang Wang, "1.2-GHz gated single-photon detector with simple filtering", Proc. SPIE 9270, Optoelectronic Devices and Integration V, 927008 (24 October 2014); doi: 10.1117/12.2071434; https://doi.org/10.1117/12.2071434
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