| 摘要 |
WDM transmission system comprising transmitters 2 for generating optical signals in different channels, a multiplexer 3 for combining said optical signals into a WDM signals, a transmission line 4 for transmitting said WDM signal, a demultiplexer 6 for demultiplexing the WDM signal received from the transmission line 4 and receivers 7 for receiving the optical signals of each channel, characterized in that it further comprises a Raman depletion compensator 8, 10 for compensating the depletion due to Raman-shift in the power of the wavelength grid spectrum.
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