Method for actively controlling the optical output of a seed laser
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United States of America Patent
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Oct 25, 2016
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app pub date -
Feb 4, 2013
filing date -
Feb 4, 2013
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Abstract
Seed pulse generators for fiber amplifier systems include a seed pump controller coupled to a seed pump laser diode. A photodetector is situated to detect seed pulse generation, and is coupled to the seed pump controller so that seed pumping is decreased upon pulse detection. For a laser diode pump source, a pump current can be pulsed to produce a seed pulse and then decreased to a bias level such as a DC bias current that is less than a pump laser threshold current. Single seed pulses can be generated with reduced pulse jitter.
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