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以行波放大器速率方程为基础，采用传输矩阵方法，对行波放大器的增益饱和特性进行了理论研究，讨论了增益饱和特性对电流注入水平、腔面反射率的依赖关系，以及俄歇复合过程在行波放大器增益放大中的作用，虽然俄歇复合过程可能提高饱和光强，但它会降低内量子效率及非饱和增益，对器件的实际工作特性没有益处
Based on the traveling-wave amplifier rate equation, the transfer matrix method is used to study the gain-saturation characteristics of the traveling-wave amplifier. The dependence of the gain-saturation characteristic on the current injection level and the cavity reflectivity is discussed. The Auger recombination process Although the Auger recombination process may increase the saturation intensity in the gain amplification of a traveling-wave amplifier, it will reduce the internal quantum efficiency and the non-saturation gain, which is not beneficial to the actual operating characteristics of the device