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本文分析了在利用非线性光学环形镜的开关效应和光纤内交叉相位调制效应实现全光波长变换系统中 ,色散位移光纤长度、泵浦脉冲峰值功率、泵浦脉冲宽度以及泵浦脉冲和连续探测波之间群速度失配参量对输出脉冲波形特性的影响。通过优化系统各项参数 ,可以在实现最高转换效率的同时 ,降低波长变换脉冲失真程度 ,使波长变换脉冲无展宽 ,从而适用于超高速率通信系统。
In this paper, the length of dispersion-shifted fiber, the peak power of pump pulse, the pulse width of pump, the pulse duration of pump pulse and the continuous detection of pump pulse are analyzed in the whole light wavelength conversion system by using the switching effect of nonlinear optical ring mirror and the cross-phase modulation effect in fiber. Effect of Group Velocity Mismatch Parameters on Output Pulse Waveform Characteristics. By optimizing the parameters of the system, it is possible to reduce the distortion of the wavelength conversion pulse while achieving the highest conversion efficiency, and to broaden the wavelength conversion pulse so that it is suitable for a very high speed communication system.