Noise analysis of bi-directionally pumped and distributed fiber Raman amplifiers

被引：0
|
作者：
Wang, Sihai [1 ]
Fan, Chongcheng [1 ]
机构：
[1] Dept. of Electron. Eng., Tsinghua Univ., Beijing 100084, China
来源：
Qinghua Daxue Xuebao/Journal of Tsinghua University | 2002年 / 42卷 / 07期
关键词：
Computer simulation - Fiber lasers - Interpolation - Raman spectroscopy - Rayleigh scattering;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The quivalent noise normalizede by the fiber nonlinearity (NENF) is derived for bi-directionally pumped and distributed fiber Raman amplifiers (BiDFRA) assuming low signal strengths. Amplified spontaneous emission noise and double Rayleigh scattering noise are both included. The relation between NENF, total Raman gain and percentage of forward Raman gain is investigated for different polarization factors and Rayleigh scattering coefficients. The results agree well with numerical simulation results. Physical interpretation of the results provides some guidelines for BiDFRA design.
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页码：981 / 984
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