%0 Journal Article
%T Single-Photon Detection at Telecom Wavelengths
%A SUN Zhi-Bin
%A MA Hai-Qiang
%A LEI Ming
%A WANG Di
%A LIU Zhao-Jie
%A YANG Han-Dong
%A WU Ling-An
%A ZHAI Guang-Jie
%A FENG Ji
%A <br>孙志斌
%A 马海强
%A 雷鸣
%A 王迪
%A 刘赵杰
%A 杨捍东
%A 吴令安
%A 翟光杰
%A 冯稷
%J 中国物理快报
%D 2007
%I 
%X 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 1.5×10-6ns-1, with a detection rate of 500kHz.
%K 85
%K 60
%K Dw
%K 85
%K 60
%K Gz
%K 03
%K 67
%K Dd<br>光子检测
%K 光电二极管
%K 波长
%K 调制技术
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=E27DA92E19FE279A273627875A70D74D&aid=A6F1F92187EC7BB8A9C8735CC3ACA0DC&yid=A732AF04DDA03BB3&vid=B91E8C6D6FE990DB&iid=0B39A22176CE99FB&sid=F6467E7C54ED952D&eid=39E48869A719B9DE&journal_id=0256-307X&journal_name=中国物理快报&referenced_num=0&reference_num=0