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
- Journal of Infrared and Millimeter Waves
- Vol. 42, Issue 4, 462 (2023)
Fig. 1. Structure schematic of the ring-shaped top-DBR etched microstructure VCSEL
Fig. 2. 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
Fig. 3. Injection depth as a function of injection power（Down-right inset：SEM image of the central etched area）
Fig. 4. Microscope image of the fabricated ring-shaped top-DBR etched microstructure VCSEL
Fig. 5. The near-field pattern of the ring-shaped top-DBR etched microstructure VCSEL
Fig. 6. Light output power and voltage as a function of injection current of the ring-shaped top-DBR etched microstructure VCSEL
Fig. 7. The light spectrum of the ring-shaped top-DBR etched microstructure VCSEL at different injection currents: (a) 0.3 A, (b) 1.2 A
Fig. 8. The light intensity distribution curves of the ring-shaped top-DBR etched microstructure VCSEL in vertical and parallel directions
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20