Journal of Infrared and Millimeter Waves, Volume. 42, Issue 4, 462(2023)

A novel ring-shaped top-DBR etched microstructure VCSEL with a hollow beam

Chao PANG, Chang-Ling YAN*, Jing-Hang YANG, Ran QIAN, and Yi-Fei LI
Author Affiliations
  • State Key Lab on High Power Semiconductor Lasers,Changchun University of Science and Technology,Changchun 130000,China
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    Figures & Tables(8)
    Structure schematic of the ring-shaped top-DBR etched microstructure VCSEL
    Calculated intensity profiles of different mode numbers (n) of ring-shaped top-DBR etched microstructure VCSEL obtained by FDTD: (a) n=1, (b) n=5, (c) n=9, (d) n=13
    Injection depth as a function of injection power(Down-right inset:SEM image of the central etched area)
    Microscope image of the fabricated ring-shaped top-DBR etched microstructure VCSEL
    The near-field pattern of the ring-shaped top-DBR etched microstructure VCSEL
    Light output power and voltage as a function of injection current of the ring-shaped top-DBR etched microstructure VCSEL
    The light spectrum of the ring-shaped top-DBR etched microstructure VCSEL at different injection currents: (a) 0.3 A, (b) 1.2 A
    The light intensity distribution curves of the ring-shaped top-DBR etched microstructure VCSEL in vertical and parallel directions
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    Chao PANG, Chang-Ling YAN, Jing-Hang YANG, Ran QIAN, Yi-Fei LI. A novel ring-shaped top-DBR etched microstructure VCSEL with a hollow beam[J]. Journal of Infrared and Millimeter Waves, 2023, 42(4): 462

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    Paper Information

    Category: Research Articles

    Received: Nov. 24, 2022

    Accepted: --

    Published Online: Aug. 1, 2023

    The Author Email: Chang-Ling YAN (changling_yan@126.com)

    DOI:10.11972/j.issn.1001-9014.2023.04.006

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