Patent ID: 6304368
Filing Date: 2001-10-16
Classification: H01S,H04B

Abstract:
An optical signal amplifier for amplifying said optical signal having at least a first and a second wavelength as it propagates therethrough, said optical signal amplifier comprising:a) an input port for receiving said optical signal;b) an output port for transmitting an amplified optical signal;c) an optical medium, wherein a portion of said optical medium comprises a plurality of optical paths corresponding to said at least first and second wavelengths of said optical signal for propagating said optical signal from said input port to said output port;d) a light radiation generator capable of coupling light radiation of a plurality of light radiation wavelengths related to said at least first and second wavelengths of said optical signal into each of said optical paths of said optical medium, whereby said at least first and said second wavelength of said optical signal are amplified by Raman amplification utilizing a single light pump source, and are separated by an integer multiple of the Stoke's shift; ande) an optical combiner for recombining said first and second wavelengths of said optical signal after said Raman amplification to generate said amplified optical signal and coupling said amplified optical signal to said output port.