单光子雪崩二极管猝熄电路的发展

摘要/Abstract

摘要：

单光子雪崩二极管(SPAD)是工作在击穿电压上的雪崩光电二极管(APD)。对于极弱光学信号的探测,例如超高音速飞行器早期预警的应用,SPAD可能是理想的探测器选择。SPAD必须与猝熄电路配套工作。基于pn结等效电路模型,分析了适用于SPAD雪崩猝熄的基本电路结构,例如被动、主动以及混合猝熄电路等。对于SPAD器件测试和筛选来说,被动猝熄电路简单适用,但其局限性也较大。主动猝熄电路可以充分利用SPAD的性能。混合方案则是设计简单紧凑电路或者满足特殊应用要求的有效方法。介绍了SPAD猝熄电路的工作原理、研究进展以及性能指标。

关键词: 雪崩光电二极管, 单光子雪崩二极管, 猝熄电路, 高超音速飞行器

Abstract:

Single photon avalanche diode(SPAD) is an avalanche photodiode (APD) operating above its breakdown voltage,or what is called Geiger-mode.For the detection of very faint optical signals,for example,in application of early warning of hypersonic vehicles,SPAD may be an ideal choice.SPAD must operate in association with avalanche quenching circuits.Based on the equivalent circuit model of the pn junction,basic circuit configurations suitable for SPAD avalanche quenching,such as passive,active,and mixed quenching circuit,are analyzed.Passive quenching circuits,which are simple and useful for SPAD device testing and selection,have fairly limited application.Active quenching circuits make it possible to exploit the best performance of SPAD.Mixed solutions can be an effective approach to designing simple and compact circuits or for satisfying specific application requirements.General operating characteristics,recent progress,and the measures of performance of the SPAD quenching circuit are briefly reviewed in this paper.

Key words: avalanche photodiode;single photon avalanche diode;quenching circuit;hypersonic vehicle

中图分类号:

TN312+.7

王忆锋, 马钰. 单光子雪崩二极管猝熄电路的发展[J]. , 2011, 24(4): 113-.

WANG Yi-Feng, MA Yu. Development of Quenching Circuits of Single Photon Avalanche Diodes[J]. , 2011, 24(4): 113-.

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