Method and apparatus for controlling channel power level in...

Details Method and apparatus for controlling channel power level in... Method and apparatus for controlling channel power level in...

H - Electricity

04

B

H04B 10/17 (2006.01) H04B 10/142 (2006.01)

Patent

CA 2601619

The present invention allows an operator to individually control the power level of each communication channel in a network without affecting other parameters of the channels. Each optical transmitter contains a voltage controlled variable optical attenuator which is controlled by a microcontroller to attenuate the optical communication signal to a desired level. The operator can adjust each transmitter separately to overcome the variability in the output optical power of each transmitter, the flatness of the WDM component, EDFA flatness, dispersion of the fiber, etc.

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