Simple gain control method for broadband Raman amplifiers gain-flattened by multi-wavelength pumping
Y. EmoriFitel Photonics Laboratory, Furukawa Electric Company Limited, Ichihara, Chiba, JapanS. KadoFitel Photonics Laboratory, Furukawa Electric Company Limited, Ichihara, Chiba, JapanShu NamikiFitel Photonics Laboratory, Furukawa Electric Company Limited, Ichihara, Chiba, Japan
2002en
ABI
Abstract
We propose and experimentally demonstrate that, for broadband Raman amplifiers with five wavelength pump channels, gain flatness can be preserved at different gain levels by means of changing only two parameters to control the launched pump power.
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Cited by 20 references