摘要
文中推导出级联 EDFA密集波分复用系统光信噪比表达式 ,并由 EDFA噪声指数的定义推导出级联 EDFA系统等效噪声指数的表达式 ,分析了级联 EDFA系统输出端 OSNRout与等效噪声指数之间的关系 。
In this paper, the authors introduce the expression of opticai signal to noise(OSNR) of DWDM system using cascade EDFAs .They also introduce the expression of noise figure for a system consisting of a chain of EDFAs according the definition of individual EDFA.The relationship between the two expressions has been analyzed in this paper.
出处
《光通信技术》
CSCD
北大核心
2001年第2期147-151,共5页
Optical Communication Technology
关键词
级联EDFA
密集波分复用
光信噪比
噪声指数
放大器
cascade EDFAs
dense wavelength division multiplexing(DWDM)
optical signal to noise(OSNR)
noise fgure(NF)
