Patent ID: 6970652

Claim:
An optical communication system comprising an optical transmitter, the optical transmitter having a Driver Amplifier (DA) configured to provide a modulated Radio Frequency output signal to an optical modulator, an optical receiver, an optical fibre interconnecting the optical transmitter and the optical receiver, and a controller electrically coupled to the receiver and electrically coupled to the transmitter to supply a control signal thereto, the controller having means for receiving raw system performance information (RSPI) and means for processing the RSPI from which at least one performance indication parameter (PIP) is derived and controlling at least one setting parameter of the DA according to the processing of the RSPI, the controller further configured to enter an idle mode, an auto-setting mode and a dynamic control mode; wherein the at least one setting parameter is used to control characteristics of the modulated RF signal output of the DA, and wherein in the auto-setting mode, the controller is configured to implement a speed search stage, a fine tune stage and a setting decision stage.