并行雪崩光电二极管阵列红外单光子探测系统

李臻; 雒超; 路腾腾; 耿霄; 徐军; 易波

doi:10.3788/OPE.20162413.0006

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并行雪崩光电二极管阵列红外单光子探测系统

更新时间：2020-08-13

- 并行雪崩光电二极管阵列红外单光子探测系统
- Infrared single photon detection system based on parallel avalanche photodiode array
- 光学精密工程 2016年24卷第10s期页码：6-11
- 作者机构：
  
  中国科学技术大学物理系,安徽合肥,230026
- 作者简介：
- 基金信息：
  
  国家自然科学基金青年资助基金（No.61308013）()
- DOI：10.3788/OPE.20162413.0006
  中图分类号： TN364.2;TN215
- 收稿日期：2016-05-28，
  
  修回日期：2016-06-12，
  
  纸质出版日期：2016-11-14
- 稿件说明：
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李臻, 雒超, 路腾腾等. 并行雪崩光电二极管阵列红外单光子探测系统[J]. 光学精密工程, 2016,24(10s): 6-11

LI Zhen, LUO Chao, LU Teng-teng etc. Infrared single photon detection system based on parallel avalanche photodiode array[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 6-11
李臻, 雒超, 路腾腾等. 并行雪崩光电二极管阵列红外单光子探测系统[J]. 光学精密工程, 2016,24(10s): 6-11 DOI： 10.3788/OPE.20162413.0006.

LI Zhen, LUO Chao, LU Teng-teng etc. Infrared single photon detection system based on parallel avalanche photodiode array[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 6-11 DOI： 10.3788/OPE.20162413.0006.

摘要

为了克服InGaAs/InP APD单光子探测器的后脉冲效应，减小APD器件的死时间，设计了一种并行APD阵列结构的红外单光子探测系统。该系统使用并行APD阵列将单光子信号转换成雪崩电信号，利用直流偏置电压电路使并行APD阵列工作于盖革模式，利用高速脉冲门控时序信号电路以及多通道光开关实现并行APD阵列的通道时序切换功能，并行APD阵列输出的雪崩电信号在经过信号探测电路的低通滤波和宽带放大处理后，由信号模拟数字转换电路转换成数字信号，再由信号处理电路进行甄别探测和计数，最后输出各种类型的数字信号。实验结果表明：使用1.6 GHz的脉冲门控信号频率进行测量，8通道的并行APD阵列结构的红外单光子探测系统的重复频率为1 000 MHz，暗计数率为5.9210

-5

，探测效率为10.0%。该系统大幅度减小了死时间，有效提高了单光子探测的工作频率和重复计数率。

Abstract

To overcome the after-pulse effect of InGaAs/InP APD single-photon detector

reduce the dead time of APD devices

and improve the operating frequency and detection efficiency of infrared single-photon detector

a parallel APD array was adopted to convert the single-photon signal into the avalanche signal. Through a DC bias voltage circuit

the parallel APD array can operate in the Geiger Mode. By virtue of the high-speed pulse gating sequence signal circuit and multi-channel optical switch

the parallel APD array was able to achieve the sequential switching function. The avalanche signal output from the parallel APD array

after being processed by low-pass filtering and broadband of signal detection circuit

was converted into digital signal through the signal-simulation digital conversion circuit; and then through discrimination detection and counting by the signal processing circuit

digital signals of different types can be output. The results show that when the pulse gating signal frequency is 1.6 GHz

the repetition frequency of the infrared single-photon detection system with parallel APD array of 8 channels is 1000 MHz

with a dark count rate of 5.9210

-5

and a detection efficiency of 10.0%. The infrared single-photon detection system with parallel APD array can dramatically reduce the dead time

and effectively improve the operating frequency and repetition count rate of single-photon detection.

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references

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