Research on dual-wavelength DFB laser with grating reflector

Jianqin Shi; Yunshan Zhang; Bocheng Yuan; Lianyan Li; Wenxuan Qi; Yifan Xu; Tongfei Zhao; Tao Fang; Xiangfei Chen

doi:10.1117/12.2616408

26 July 2022 Research on dual-wavelength DFB laser with grating reflector

Jianqin Shi, Yunshan Zhang, Bocheng Yuan, Lianyan Li, Wenxuan Qi, Yifan Xu, Tongfei Zhao, Tao Fang, Xiangfei Chen

Proceedings Volume 12278, 2021 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing; 122780G (2022) https://doi.org/10.1117/12.2616408
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only

Abstract

We proposed a dual-wavelength (DW) DFB semiconductor laser with an integrated grating reflector (GR). The proposed laser is based on the reconstruction-equivalent-chirp technique which can be realized easily with high precision. The GR section can provide reflection for the DW-DFB laser. Utilizing the proposed method, higher output power, lower threshold current and larger sidemode suppression ratio (SMSR) can be achieved.

Citation Download Citation

Jianqin Shi, Yunshan Zhang, Bocheng Yuan, Lianyan Li, Wenxuan Qi, Yifan Xu, Tongfei Zhao, Tao Fang, and Xiangfei Chen "Research on dual-wavelength DFB laser with grating reflector", Proc. SPIE 12278, 2021 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing, 122780G (26 July 2022); https://doi.org/10.1117/12.2616408

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