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合理简化了多泵浦光纤拉曼放大器功率传输方程,利用多步平均功率法进行数值计算得到了密集波分复用系统信号的合成拉曼增益。借助该简化模型研究了多泵浦光源的个数、输入功率和波长分布对信号拉曼增益的影响,简单分析了实现超宽带平坦拉曼增益的多泵浦波配置原则,为多泵浦光纤拉曼放大器在密集波分复用系统中的应用提供了有价值的参考。
The power transfer equation of multi-pump fiber Raman amplifier is reasonably simplified. The synthesized Raman gain of the Dense Wavelength Division Multiplexing (WDM) system signal is obtained by using the multi-step average power method. By using the simplified model, the influence of the number of multi-pump light sources, input power and wavelength distribution on the Raman gain of the signal is studied. The principle of multi-pump wave configuration for realizing the UWB flat Raman gain is simply analyzed. Raman amplifier in dense wavelength division multiplexing system provides a valuable reference.