Patent ID: 6775055
Filing Date: 2004-08-10
Classification: H04B

Abstract:
A Raman amplifier characterized by comprising:a Raman amplification optical fiber for transmitting signal light and Raman-amplifying the signal light upon receiving Raman amplification pumping light; Raman amplification pumping light supply means, having N (N&gE;1) pumping light sources for outputting light having a controllable spectrum with controllable shape, for supplying light components output from the N pumping light sources to said Raman amplification optical fiber as the Raman amplification pumping light; and control means for variable controlling the shape of the spectrum of the respective Raman amplification pumping light component output from each of the N pumping light sources, said shape of the spectrum corresponding to the power distribution within the specific wavelength range of the respective light component.