Single-mode lasing deformed square microcavity lasers

Jian-Cheng Li; Yong-Tao Huang; You-Zeng Hao; Yue-De Yang; Jin-Long Xiao; Yong-Zhen Huang

doi:10.1117/12.2656670

16 December 2022 Single-mode lasing deformed square microcavity lasers

Jian-Cheng Li, Yong-Tao Huang, You-Zeng Hao, Yue-De Yang, Jin-Long Xiao, Yong-Zhen Huang

Proceedings Volume 12501, Seventeenth National Conference on Laser Technology and Optoelectronics; 125011I (2022) https://doi.org/10.1117/12.2656670
Event: Seventeenth National Conference on Laser Technology and Optoelectronics, 2022, Shanghai, China

Abstract

Deformed square microcavities composed of two partly overlapped square microcavities are proposed and investigated theoretically and experimentally. Single-mode lasing with the maximum side-mode suppression ratio (SMSR) of 39 dB and 52 dB are obtained for the deformed square microcavity lasers, connected an output waveguide to the jointed region and a vertex of the square microcavities, with a side length of 10 μm, respectively. Furthermore, higher output power is obtained for the deformed square microcavity laser with a vertex output waveguide than that with an output waveguide to the jointed region.

Citation Download Citation

Jian-Cheng Li, Yong-Tao Huang, You-Zeng Hao, Yue-De Yang, Jin-Long Xiao, and Yong-Zhen Huang "Single-mode lasing deformed square microcavity lasers", Proc. SPIE 12501, Seventeenth National Conference on Laser Technology and Optoelectronics, 125011I (16 December 2022); https://doi.org/10.1117/12.2656670

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