The study of single photon detector for quantum key distribution - art. no. 68270E

被引:0
作者
Wei, Zhengjun [1 ]
Wang, Jindong [1 ]
Li, Kaizhen [1 ]
Zhou, Peng [1 ]
Liao, Changjun [1 ]
Guo, Jianping [1 ]
Liu, Songhao [1 ]
机构
[1] S China Normal Univ, Lab Photon Informat Technol, Sch Informat & Optoelect Sci & Engn, Guangzhou 510631, Guangdong, Peoples R China
来源
QUANTUM OPTICS, OPTICAL DATA STORAGE, AND ADVANCED MICROLITHOGRAPHY | 2008年 / 6827卷
关键词
single photon detector; single chip microcontroller; quantum key distribution; telecommunication wavelengths;
D O I
暂无
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper introduces the design of a single photon detector based on the AT89C51 single chip microcontroller for quantum key distribution at telecommunication wavelengths. An avalanche photodiode (APD) is operated in Geiger mode and stabilized at temperature of 228K for translating the single photon signals into electrical pulses. The photon induced avalanche pulses are amplified and converted to digital data. The microcontroller discriminates the data, counting the number of photons, and then displays the photon number and the detection efficiency on a LCD display. The instrument can effectively support the study of quantum key distribution.
引用
收藏
页码:E8270 / E8270
页数:5
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