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提出并制作出一种可调谐 BIG- RW结构的激光器 ,该激光器包括两个不同耦合系数的 Bragg光栅 .激光器的阈值电流为 38m A,输出功率大于 8m W,可调谐范围是 3.2 nm ,边模抑制比 (SMSR)大于 30 d B,在整个调谐范围内 ,功率变化小于 0 .3d B.
A tunable BIG-RW laser with two different coupling coefficients is proposed and fabricated. The laser has a threshold current of 38 m A, an output power of more than 8 mW and a tunable range of 3.2 nm. The edge mode The suppression ratio (SMSR) is greater than 30 d B, and the power variation is less than 0.3 dB over the entire tuning range.