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采用平均功率分析算法对多波长抽运宽带光纤拉曼放大器进行了细致的数值模拟 ,并根据多抽运拉曼增益谱的特点和不同抽运波长对增益斜率的不同影响提出了一种新的有效的抽运优化算法。并利用这种方法对 10波长抽运的光纤拉曼放大器进行了优化 ,获得了 70nm带宽上增益谱波动低于 0 .5dB的结果。
The average power analysis algorithm is used to numerically simulate multiwavelength wideband fiber Raman amplifiers. Based on the characteristics of multi-pumping Raman gain spectrum and the different effects of different pumping wavelengths on the gain slope, a new Effective pumping optimization algorithm. In this method, the fiber Raman amplifier with 10-wavelength pumping is optimized, and the result shows that the fluctuation of the gain spectrum is lower than 0 .5dB over the bandwidth of 70nm.