Design of Vernier ring for external cavity laser with high side mode suppression ratio and wide tuning range

被引：1
|
作者：
Chen, Licheng [1 ,2 ]
Yu, Lei [1 ,2 ]
Ma, Pengfei [1 ,2 ]
Wang, Zheng [1 ,2 ]
Yang, Yibo [1 ,2 ]
Tian, Jiachen [1 ,2 ]
Wang, Pengfei [1 ,2 ]
Zhang, Yejin [1 ,2 ]
Pan, Jiaoqing [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Key Lab Optoelect Mat & Devices, Beijing 100083, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2024年 / 554卷
基金：
北京市自然科学基金;
关键词：
External-cavity lasers; Vernier ring; Tuning range; Side mode suppression ratio; WAVELENGTH TUNABLE LASER; SEMICONDUCTOR-LASER; LINEWIDTH; FEEDBACK;
D O I：
10.1016/j.optcom.2023.130188
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Chip-scale external-cavity lasers with a wide tuning range and a narrow linewidth are widely used in optical communication, optical sensing, and optical detection systems. The reflector cavities of such lasers typically consist of Vernier ring structure, but conventional design with wide tuning range is difficult to achieve a high side mode suppression ratio. Here, we use a novel radius optimization method to achieve the product of side mode suppression ratio and tuning range 2141.2 and firstly analyze how the method works. And the external cavity laser simulation obtains side mode suppression ratio about 80 dB, tuning range 106 nm and power above 10 dBm. This result is ahead of the result obtained by conventional design method. It promotes the development of external-cavity lasers by realizing reflector cavities with high side mode suppression ratio and wide tuning range.
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页数：10
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