The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented. The FM noise (linewidth)can be reduced greatly by NFFB technique under proper conditions.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。在适当的条件下，FM噪声（线宽）可用NFFB技术得到极大的抑制。
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。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。
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