红外与毫米波学报, 2019, 38 (4): 04439, 网络出版: 2019-10-14  

低过剩噪声级联倍增雪崩探测器设计

Corresponding author:E-mail: Design of multi-gain-stage avalanche photodiodes with low excess noise
作者单位
中国电子科技集团公司第四十四研究所,重庆 400060
摘要
基于弛豫空间倍增理论数值模型和修正的弛豫空间倍增理论模型,分析了不同倍增级数和不同载流子初始能量时级联倍增雪崩探测器的过剩噪声.研究了不同碰撞离化倍增层厚度、不同电子预加热层厚度、不同电场控制层掺杂浓度对过剩噪声因子的影响.同时,比较了DSMT模型、Van Vilet模型和McIntyre模型得到的结果.通过调整碰撞离化倍增层厚度、电子预加热层厚度和电场控制层掺杂浓度,DSMT数值模拟获得了一个相对优化的结构,其过剩噪声与Van Vliet模型ks=0.057时相当.
Abstract
On the basis of deadspace multiplication theory(DSMT) numeric model and modified deadspace multiplication theory(MDSMT)model, the excess noise of multi-gain-stage avalanche photodiodes with different multiplication stage and different carrier initial energy was analyzed. The effects on excess noise of different width of impact-ionization multiplication layer, electron-heating layer and different doping of electric field control layer were also studied. At the same time, the results obtained from DSMT model were compared with the results from Van Vliet model and McIntyre model. By adjusting the width of impact-ionization multiplication layer, electron-heating layer and the doping of electric field control layer, a structure relatively optimizing was acquired by DSMT numeric simulation. The excess noise was comparable to the result of Van Vliet model at ks=0.057.

唐艳, 李彬, 陈伟, 黄晓峰, 柴松刚, 赵开梅, 张承, 高新江. 低过剩噪声级联倍增雪崩探测器设计[J]. 红外与毫米波学报, 2019, 38(4): 04439. TANG Yan, LI Bin, CHEN Wei, HUANG Xiao-Feng, CHAI Song-Gang, ZHAO Kai-Mei, ZHANG Cheng, GAO Xin-Jiang. Corresponding author:E-mail: Design of multi-gain-stage avalanche photodiodes with low excess noise[J]. Journal of Infrared and Millimeter Waves, 2019, 38(4): 04439.

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