Gated-mode integrated single photon detector for telecom wavelengths

Qing-Lin Wu; Yun Liu; Zheng-Fu Han; Wei Chen; Yi-Min Dai; Guo Wei; Guang-Can Guo

doi:10.1117/12.747007

15 October 2007 Gated-mode integrated single photon detector for telecom wavelengths

Qing-Lin Wu, Yun Liu, Zheng-Fu Han, Wei Chen, Yi-Min Dai, Guo Wei, Guang-Can Guo

Proceedings Volume 6771, Advanced Photon Counting Techniques II; 67711A (2007) https://doi.org/10.1117/12.747007
Event: Optics East, 2007, Boston, MA, United States

Abstract

We have demonstrated a gated-mode single-photon detector at 1550 nm using two thermoelectrically cooled InGaAs/InP avalanche photodiodes (APDs). Balanced outputs from the two APDs were used to cancel the charge and discharge spikes, which were attributable to capacitive behavior in a gated mode. The avalanche signals were not attenuated during the spike cancellation, which enable one to reduce the bias voltage applied to the APDs and thus reduce the dark count probability. We obtained a quantum efficiency of 10.5% with a dark count probability of 4.8E-5 per gate at 212 K. A single photon detector module that integrated APD and all necessary circuits into a compact bin has been performed.

Citation Download Citation

Qing-Lin Wu, Yun Liu, Zheng-Fu Han, Wei Chen, Yi-Min Dai, Guo Wei, and Guang-Can Guo "Gated-mode integrated single photon detector for telecom wavelengths", Proc. SPIE 6771, Advanced Photon Counting Techniques II, 67711A (15 October 2007); https://doi.org/10.1117/12.747007

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