Raman amplifier system, apparatus and method for...

H - Electricity – 04 – B

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H04B 10/17 (2006.01) H01S 3/30 (2006.01) H01S 5/06 (2006.01) H04J 14/02 (2006.01) H01S 3/094 (2006.01) H01S 3/131 (2006.01) H01S 3/23 (2006.01)

Patent

CA 2357498

A Raman amplifier, system and method using a plurality of pumps configured to pump light into an optical fiber so as to Raman-amplify an optical signal propagating through the optical fiber. The Raman amplifier also includes an optical coupler configured to optically interconnect the pumping device with the optical fiber, and a control unit configured to control the pumping device so as to achieve a target amplification performance. Further, the control unit monitors the Raman-amplified WDM signal and determines if the monitored Raman- amplified WDM signal is within an allowable tolerance of the target amplification performance. If the Raman-amplified signal is not within the allowable tolerance, the control unit actively controls the pumps to bring the monitored Raman-amplified signal within the allowable tolerance of the target amplification profile.

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