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1. A system comprising:
a controller configured to:
determine a first amount of current associated with a first power level,generate a digital pulse signal based on the first amount of current,
the digital pulse signal having a second power level and an associated duty cycle,
the second power level being selected by the controller based on a digital value being associated with the second power level, andthe duty cycle being selected by the controller based on a difference between the second power level and the first power level,convert the digital pulse signal, using the digital value, into a second amount of current, andoutput the second amount of current as a pulse signal based on the duty cycle; an optical pump configured to:
receive the second amount of current from the controller, andgenerate optical power, associated with the first power level, based on the second amount of current and the duty cycle; and an amplifier module configured to:
receive an optical signal,receive the optical power from the optical pump,add gain, using the optical power, to the optical signal, andoutput the optical signal after adding the gain.
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