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Transient gain analysis of gain-switched semiconductor lasers during pulse lasing

机译：脉冲发射期间增益切换半导体激光器的瞬态增益分析

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摘要

We analyzed the transient gain properties of three gain-switched semiconductor lasers with different materials and cavity structures during pulse lasing. All the semiconductor lasers were pumped with impulse optical pumping, and all the generated gain-switched output pulses were well described by exponential functions in their rise parts, wherein the transient gains were derived according to the rate-equation theoretical model. In spite of the different laser structures and materials, the results consistently demonstrated that a higher transient gain produces shorter output pulses, indicating the dominant role of higher transient gain in the generation of even shorter gain-switched pulses with semiconductor lasers. (C) 2015 Optical Society of America
机译：我们分析了三种不同材料和腔结构的增益开关半导体激光器在脉冲激射过程中的瞬态增益特性。用脉冲光泵浦泵浦所有半导体激光器，并在其上升部分用指数函数很好地描述了所有产生的增益切换输出脉冲，其中瞬态增益是根据速率方程理论模型得出的。尽管激光器结构和材料不同，但结果始终证明较高的瞬态增益会产生较短的输出脉冲，这表明较高的瞬态增益在半导体激光器产生更短的增益切换脉冲时起主要作用。 （C）2015年美国眼镜学会

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