Pulsed bias current for gain switched semiconductor lasers for amplified spontaneous emission reduction

作者: Dennis McCal , Timothy S. McComb

DOI:

关键词: Laser power scalingGain-switchingDistributed feedback laserOptoelectronicsOpticsLaserInjection seederAmplified spontaneous emissionQ-switchingLaser diodeMaterials science

摘要: Gain switched laser diode pulses are used as seed for optical pulse generation. ASE is reduced by applying a prebias to the diodes at an amplitude less than that associated with threshold. An electrical having larger threshold applied within about 10-100 ns of pulse. The resulting can be amplified in pumped, rare earth doped fiber, ASE.

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