光纤传输系统中的SPM与XPM效应分析

Analyzing the SPM and XPM Effect in Optical Fiber Transmission System

由于光纤具有非线性传输特性 ,根据光纤中的三阶非线性效应 (Kerr效应 )导致的材料折射率的改变 ,分析了自相位调制 (SPM )、交叉相位调制 (XPM )效应的产生机理 ,指出了由于一个波长的功率变化会引起同一光纤中其它波长光信号的变化 ,以及采用这种现象实现光纤孤子传输及全光波长变换 (AOWC)

The principle of SPM,XPM effect in optical fiber transmission communication system is discussed based on the character of nonlinear effect of optical fiber The result shows if the power of one species wavelength optical signal changes,the other optical signals in the same optical fiber will be changed With this phenomenon,we can realize optical soliton transmission and all optical wavelength conversion in WDM system