Patent ID: 6690508
Filing Date: 2004-02-10
Classification: H04B

Abstract:
An optical amplifier, comprising:a gain medium; an input monitor, operable to measure a power of an ingress optical signal and generate an input power signal based on the power; an output monitor, operable to measure a power of an egress optical signal and generate an output power signal based on the power; a feedforward module, operable to receive the input power signal generated by the input monitor and to generate a first control signal based on the input power signal; a feedback module, operable to receive the input and output power signals generated by the input and output monitors and to generate a second control signal based on the input and output power signals; and an optical pump, operable to receive the first and second control signals generated by the feedback and feedforward modules and to control pump energy provided to the gain medium based on the first and second control signals.