Quantum efficiency measurement of single-photon detectors using photon pairs generated in optical fibers

被引：13
|
作者：
Li, Xiaoying [1 ]
Ma, Xiaoxin [1 ]
Quan, Limei [1 ]
Yang, Lei [1 ]
Cui, Liang [1 ]
Guo, Xueshi [1 ]
机构：
[1] Tianjin Univ, Key Lab Optoelect Informat Sci & Technol, Coll Precis Instrument & Optoelect Engn, Minist Educ, Tianjin 300072, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2010年 / 27卷 / 09期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
ABSOLUTE EFFICIENCY; CORRELATED PHOTONS; METROLOGY; BAND;
D O I：
10.1364/JOSAB.27.001857
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using the correlated signal and idler photon pairs generated in a dispersion-shifted fiber by a pulsed pump, we measure the quantum efficiency of an InGaAs/InP avalanche photodiode-based single-photon detector. Since the collection efficiency of photon pairs is a key parameter to correctly deduce the quantum efficiency, we carefully characterize the collection efficiency by studying the correlation dependence of photon pairs on the spectra of pump, signal, and idler photons. This study allows us to obtain the quantum efficiency of the single-photon detector by using photon pairs with various kinds of bandwidth. (C) 2010 Optical Society of America
引用
收藏
页码：1857 / 1865
页数：9
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