distributed feedback semiconductor laser 分布反馈半导体激光器 distributed fiber sensor 分布式光纤传感器 ..
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distributed-feedback semiconductor laser 分布反馈半导体激光器
semiconductor distributed feedback laser 半导体分布反馈激光器
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Nowadays, the optical pulse used in the OTDM system is often generated by the gain-switched distributed-feedback (GS-DFB) semiconductor laser, which has a large pulse width and negative chirp.
目前常采用GS-DFB半导体激光器作为OTDM系统的光脉冲源，这种脉冲源产生的光脉冲一般较宽。
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