Numerical and theoretical analysis of the crosstalk in linear optical amplifiers

被引：11
|
作者：
Jin, CY [1 ]
Huang, YZ [1 ]
Yu, LJ [1 ]
Deng, SL [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2005年 / 41卷 / 05期
关键词：
crosstalk; linear optical amplifier (LOA); relaxation oscillation; semiconductor optical amplifier (SOA); small-signal analysis;
D O I：
10.1109/JQE.2005.845354
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：
The dynamic characteristics, including the crosstalk and relaxation oscillation, of linear optical amplifiers (LOAs) are investigated by small-signal analysis under an averaging carrier density approximation and compared with the results of numerical simulation. The good agreement between the numerical simulation and the small-signal analysis indicated the averaging carrier density is an appropriate approximation for analyzing LOAs. Theoretical analyzes also show that the dynamic properties of the vertical laser fields dominate the dynamic performance of LOAs. Based on the small-signal analysis, a concise equation for the crosstalk under high bit rate was derived, which can be applied to measure the differential gain of LOAs.
引用
收藏
页码：636 / 641
页数：6
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