Analytical model for cross-gain modulation and crosstalk in quantum-well semiconductor optical amplifiers

被引：4

作者：

Qasaimeh, Omar ^{[1
]}

机构：

[1] Jordan Univ Sci & Technol, Dept Elect Engn, Irbid 22110, Jordan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2008年 / 26卷 / 1-4期

关键词：

analytical model; cross-gain modulation; crosstalk pulse; semiconductor optical amplifier; theory;

D O I：

10.1109/JLT.2007.911103

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：

An analytical model of the dynamic characteristics of a quantum-well (QW) semiconductor optical amplifier (SOA) is developed. Closed-form expressions for the optical gain and cross-gain modulation (XGM) for arbitrary input pulses are derived. The model takes into account the carrier capture and escape transitions between the QW and the continuum states. This model is also used to derive a closed-from expression for interchannel XGM crosstalk in multichannel SOA systems. The model/analysis provides insight into the effect of the SOA parameters on the performance of a wavelength-division multiplexed system. We found that crosstalk in a multichannel SOA system can be reduced by reducing the escape lifetime.

引用

页码：449 / 456

页数：8

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