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Per-band link control transients protection in distributed fiber Raman amplifier cascades
2009 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)
In this work we introduce the use of the per-band link control method in cascades of distributed fiber Raman amplifiers (DFRAs) for compensating power transients of WDM channels. By using two compensation channels, each one controlled by a proportional-integrative electronic control circuit and assigned to a particular signal band, the power excursion achieved in the surviving channels, in a cascade of 10 DFRAs, is reduced from 4.88 dB to 0.24 dB, when 17 out of 20 channels are added ordoi:10.1109/imoc.2009.5427492 fatcat:77zbxgoljvf4bcdamvf4mqhsze