基于等效电路模型的雪崩光电探测器特性分析.pdfVIP

SEMICONDUCTOR OPTOE ECTRONICS Vol. 32 No.3 June 2011 许文彪, 陈福深, 陈 苗, 肖 勇 ( , 611731) : 为了精确模拟雪崩光电探测器( A PD) 的特性, 提出了一种APD 等效电路模型文 中首先从APD 载流 速率方程出发, 同时考虑芯片寄生参量和封装寄生参量的影响, 得到了APD 的等效电路模型, 进而基于该电路模型在 PSpice 软件中分析了A PD 的光脉冲响应特性频率响应 特性噪声特性和增益带宽特性 : ; ; : T N364. 2 : A : 1001- 5868( 20 11) 03- 0336- 03 Characteristic Analysis of Avalanche Photodedetector Based on Equivalent Circuit Model XU Wenbi o, CHEN Fushen, Chen M i o, Xi o Yong ( Key aboratory of Ministry of Education for Broadband Optical Fiber Transmission Communication Networks, University of Electronic Science and Technology of China, Chengdu 611731, CHN) Abstract: A novel equiv lent circuit model for simul ting the ch r ctristics of A PD is proposed. From c rrier r te equ tions of A PD, t king into ccount of the chip p r sitic p r meters nd the p ck ge p r sitic p r meters, new equiv lent circuit model is obt ined, nd then the pulse response, frequency response, noise perform nces nd g in-b ndw idth perform nces of APD b sed on this model r e n lyzed w ith circuit simul tion softw re PSpice. Key words: v l nche photodetector; equiv lent cir cuit model; c rrier r te equ tions; 0 APD , APD , , ( OEIC) , OEIC PSpice A PD , 1 , APD A PD , , , , 1 1964 [ 1] APD , : ( 1) NP , Lucovsky PIN I M ; ( 2) IM , [ 2-3] , NP , , I , , , ,