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从速率方程出发 ,采用分段模型对半导体光放大器 (SOA)的皮秒增益和折射率非线性进行了数值模拟 ,具体分析了注入光脉冲引起的载流子浓度的变化、输出光脉冲时域波形的畸变、注入光脉冲引起的增益和位相变化 ,以及输出光脉冲上的频率啁啾。
Based on the velocity equation, the segmentation model is used to simulate the picosecond gain and refractive index nonlinearity of the semiconductor optical amplifier (SOA). The changes of the carrier concentration caused by the injected optical pulse are analyzed in detail. The output optical pulse time domain Waveform distortion, gain and phase changes due to injected light pulses, and frequency chirp on the output light pulses.