拉曼光泵浦信号放大在光纤段206上传播的光数据信号。

The Raman optical pumping signal amplifies the optical data signals propagating on the optical fiber span 206.

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在其它实施例中，光泵浦信号在光纤段中与光数据信号反向传播。

In other embodiments, the optical pumping signal counter-propagates in the optical fiber span with the optical data signals.

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例如，故障可能沿着光纤段的任何地方发生，该光纤可能有数千英里长。

For example, failures can occur anywhere along the optical fiber span, which may be thousands of miles long.

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