By means of pulse injection, the relation between lasing wavelength and chip temperature of distributed feedback laser (DFB-LD) has been obtained.

利用脉冲注入法测量了分布反馈激光器(DFB - LD)芯片温度与激射波长的关系。

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Abstract: To reduce the fluctuation of frequency response of a Distributed Feedback (DFB) fiber laser used in underwater sound detection, an encapsulated structure with orifices was designed.

摘要：针对分布反馈式(DFB)光纤激光器用于水声探测时频响曲线起伏较大的问题，设计了一种开孔套管式封装结构。

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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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