Single-Photon Detection at Telecom Wavelengths

SUN Zhi-Bin; MA Hai-Qiang; LEI Ming; WANG Di; LIU Zhao-Jie; YANG Han-Dong; WU Ling-An; ZHAI Guang-Jie; FENG Ji

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Single-Photon Detection at Telecom Wavelengths

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摘要

A single-photon detector based on an InGaAs avalanche photodiode has been developed for use at telecom wavelengths. A suitable delay and sampling gate modulation circuit are used to prevent positive and negative transient pulses from influencing the detection of true photon induced avalanches. A monostable trigger circuit eliminates the influence of avalanche peak jitter, and a dead time modulation feedback control circuit decreases the afterpulsing. From performance tests we find that at the optimum operation point, the quantum efficiency is 12% and the dark count rate 1.5 × 10-6 ns-1, with a detection rate of 500 kHz.

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《中国物理快报：英文版》 |2007年第2期|574-576|共3页
作者
SUN Zhi-Bin; MA Hai-Qiang; LEI Ming; WANG Di; LIU Zhao-Jie; YANG Han-Dong; WU Ling-An; ZHAI Guang-Jie; FENG Ji;
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作者单位

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Physics, Chinese Academy of Sciences, Beijing 100080;

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原文格式 PDF
正文语种 chi
中图分类物理学;
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Single-Photon Detection at Telecom Wavelengths

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