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讨论了取样光栅分布布拉格反射激光器(SGDBR)中取样光栅对激光器调谐范围、输出功率和光谱质量的影响,介绍了其设计流程,并据此对SGDBR进行了实验研究.其取样光栅的反射谱和设计相符,且在30nm准连续调谐范围内边模抑制比都大于30dB.
The effect of sampling grating in the sampled grating distributed Bragg reflection laser (SGDBR) on the tuning range, output power and spectral quality of the laser is discussed, and its design flow is introduced and the experimental study of SGDBR is carried out. The design is consistent, and the side mode suppression ratio is greater than 30dB in the 30nm quasi-continuous tuning range.