Raman amplification

Details Raman amplification Raman amplification

H - Electricity

04

B

H04B 10/17 (2006.01) G02F 1/39 (2006.01) H01S 3/30 (2006.01) H04B 10/13 (2006.01) H01S 3/094 (2006.01) H01S 3/102 (2006.01)

Patent

CA 2405180

A Raman optical amplifier has a plurality of pump sources (14,16,18,20,22). The outputs from at least two pump sources are modulated so as to reduce the interaction between the pump source signals in the fiber. By reducing this interaction, the tilt in the effective noise figure is reduced. In one example, the modulation involves providing the pump signals (1423nm,1444nm and 1464nm,1495nm) at different times.

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