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模拟计算了在 910nm抽运下掺镱光纤放大器 (YDFA)的增益、饱和与噪声特性 ,分析表明 ,975nm处反向传播的ASE是抑制放大器小信号增益并影响其噪声性能的重要因素。
The gain, saturation and noise characteristics of ytterbium doped fiber amplifier (YDFA) under the pumping of 910 nm are simulated. The analysis shows that the ASE propagating at 975 nm is an important factor to suppress the small signal gain of the amplifier and affect its noise performance.