By means of pulse injection, the relation between lasing wavelength and chip temperature of distributedfeedbacklaser (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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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.