With increasing DFRA on off gain, Δ OSNR increases first linearly and then logarithmically, resulting in saturation.

指出:随着DFRA开关增益的增加, ΔOSNR会由线性增加逐渐变为对数增加而趋于饱和.

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An optical communication system with both EDFA and B DFRA is introduced.

考察了后向抽运分布光纤拉曼放大器(BDFRA)对光通信系统传输性能的改善.

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