Comparative investigation on amplifying performance between 980 nm and 1480 nm p
通过建立粒子数速率方程和光功率传输方程组,分析比较了980和1480nm泵浦下铋基掺铒光纤放大器(Bi-EDFA)的放大特性。在单信号输入和粗WDM(CWDM)信号输入情形下,1480nm泵浦方式下的Bi-EDFA具有较大的信号增益,而980nm泵浦方式具有较低的噪声系数(NF)。比较结果表明,从信号增益和宽带特性这些指标考虑,1480nm泵浦方式是一种更为理想的泵浦方案。
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