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Pumping source having a plurality of regulated pump lasers for broadband optical amplification of WDM signal
Pumping source having a plurality of regulated pump lasers for broadband optical amplification of WDM signal
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机译:具有多个可调节泵浦激光器的泵浦源,用于WDM信号的宽带光放大
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摘要
A pumping source with a number of regulated pump lasers for broadband optical amplification of a WDM signal is provided, wherein, the powers of the pump lasers that exhibit different wavelengths are regulated such that all the channels of a WDM signal exhibit a flat profile of their levels at the end of the transmission fiber and in the event of a defect and, particularly, in the event of a failure or a partial failure of the pump lasers, the corresponding change in the gain profile is automatically compensated for by a supervisory regulation device for resetting the pumping powers in the event of a failure report, thereby resulting in a minimal change in the gain spectrum of all the channel levels of a WDM signal in the event of defective operation of the pumping source.
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