Enhanced solar-blind ultraviolet single-photon detection with a Geiger-mode silicon avalanche photodiode  

作　　者：师亚帆 李召辉 冯百成 颜佩琴 杜秉乘 周慧 潘海峰 吴光 

机构地区：[1]State Key Laboratory of Precision Spectroscopy, East China Normal University [2]State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences

出　　处：《Chinese Optics Letters》2016年第3期5-8,共4页中国光学快报（英文版）

基　　金：supported in part by the National Natural Science Foundation of China under Grant Nos.11374105,1143005,and 61127014

摘　　要：Solar-blind ultraviolet detection is of great importance in astronomy and industrial and military applications. Here, we report enhanced solar-blind ultraviolet single-photon detection by a normal silicon avalanche photo- diode （Si APD） single-photon detector with a specially designed photon-collecting device. By re-focusing the reflected photon from the Si chip surface on the detection area by the aluminum-coated hemisphere, the detec- tion efficiency of the Si APD at 280 nm can be improved to 4.62%. This system has the potential for high-efficiency photon detection in the solar-blind ultraviolet regime with low noise.Solar-blind ultraviolet detection is of great importance in astronomy and industrial and military applications. Here, we report enhanced solar-blind ultraviolet single-photon detection by a normal silicon avalanche photo- diode （Si APD） single-photon detector with a specially designed photon-collecting device. By re-focusing the reflected photon from the Si chip surface on the detection area by the aluminum-coated hemisphere, the detec- tion efficiency of the Si APD at 280 nm can be improved to 4.62%. This system has the potential for high-efficiency photon detection in the solar-blind ultraviolet regime with low noise.

关 键 词：Aluminum coatings Avalanche photodiodes Efficiency Military applications PHOTODETECTORS Photodiodes PHOTONS SILICON 

分 类 号：TN312.7[电子电信—物理电子学]