The filtered portion of the Raman optical pumping signal is then detected by the optical detector 224, 320.
然后，通过光检测器224，320检测经滤波的部分拉曼光泵浦信号。
The Raman optical pumping signal amplifies the optical data signals propagating on the optical fiber span 206.
拉曼光泵浦信号放大在光纤段206上传播的光数据信号。
In other embodiments, the optical pumping signal counter-propagates in the optical fiber span with the optical data signals.
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 power of at least one of the optical data signals and the Raman optical pumping signal is reduced to zero.
在其它的实施例中，光数据信号和拉曼光泵浦信号中的至少一个的功率被降低到零。
The Raman optical pumping signal can exceed Class 1 M limits and, in fact, can have a much higher optical power than the optical data signal.
拉曼光泵浦信号可以超过1M级界限，实际上，可以具有比光数据信号明显高的光功率。
In some embodiments, the power of at least one of the optical data signals and the Raman optical pumping signal is reduced to an eye-safe optical power level.
在一些实施例中，光数据信号和拉曼光泵浦信号中的至少一个的功率被降低到安全标准的光功率级。
A Raman optical pump source 208 that generates a Raman optical pumping signal is optically coupled into the optical fiber span 206 with an optical coupler 210.
产生拉曼光泵浦信号的拉曼光泵浦源208通过光耦合器210被光耦合进入光纤段206。
The controller 228, 328 then generates electrical and optical signals that are related to a magnitude of the filtered portion of the Raman optical pumping signal.
控制器228，328此时产生与经滤波的部分拉曼光泵浦信号大小相关的电和光信号。
In many optical communications systems, the Raman optical pumping signals exceed Class I m limits and have significantly higher power levels than the optical data signal.
在许多光通信系统中，拉曼光泵浦信号超过1 M级界限并具有比光数据信号明显高的功率级。
The optical coupler 424 launches the Raman optical pumping signal in a direction that co-propagates with the optical data signals that are generated by the optical source 402.
光耦合器424沿着与光源402产生的光数据信号同向传播的方向发射拉曼光泵浦信号。
In yet other embodiment, a first optical pumping signal co-propagates with the optical data signals and a second optical pumping signal counter-propagates with the optical data signals.
在其它的实施例中，第一光泵浦信号与光数据信号同向传播，而第二光泵浦信号与光数据信号反向传播。
In yet other embodiment, a first optical pumping signal co-propagates with the optical data signals and a second optical pumping signal counter-propagates with the optical data signals.
在其它的实施例中，第一光泵浦信号与光数据信号同向传播，而第二光泵浦信号与光数据信号反向传播。
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