A SPAD-Based Photon Detecting System for Optical Communications

被引：111

作者：

Chitnis, Danial ^{[1
]}

Collins, Steve ^{[1
]}

机构：

[1] Univ Oxford, Dept Engn Sci, Oxford OX1 2JD, England

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2014年 / 32卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

CMOS; mixed analog digital integrated circuits; optical receivers; poisson channels; single photon avalanche diode; AVALANCHE-DIODE; ARRAY; NM;

D O I：

10.1109/JLT.2014.2316972

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A small array of single photon avalanche detectors (SPADs) has been designed and fabricated in a standard 0.18 mu m CMOS process to test a new photon detecting system for optical communications. First numerical results are presented which show that using arrays of SPADs reduces the optical power density required at the receiver. Experimental results then show that the new system preserves the photon counting ability of the SPADs. Finally a simple method is presented which can be used to estimate the size of array needed to achieve a particular target bit error rate at a specific optical power density. Together these results indicate that by replacing the avalanche photodiode in a receiver with the new system it will be possible to count the received photons.

引用

页码：2028 / 2034

页数：7

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