24 October 2017 Single higher-order mode ring-shaped VCSEL with surface relief
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Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104571C (2017) https://doi.org/10.1117/12.2284179
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
A novel vertical-cavity surface-emitting laser (VCSEL) with single mode, high-power, low divergence, and temperature stability is presented. The most prominent structural feature of the device is that the high optical loss region is formed by an anti-phase surface relief above the top Distributed Bragg Reflectors (DBRs) and the light-emitting aperture is ringshaped with larger region. The simulation results show the device with 15μm oxide aperture and 5μm width ring light emitting region achieves stable single-higher-order transverse mode emission with a side mode suppression ratio (SMSR) of more than 80dB. The maximum continuous-wave (CW) single mode power is up to 15.2 mW and far-field divergence angle (FWHM) is lower than 4.5°. Moreover, the VCSEL maintains CW single mode emission up to a record high temperature of 450K.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xia Wang, Xia Wang, Yongqin Hao, Yongqin Hao, Zhiwei Wang, Zhiwei Wang, Jianlai Xie, Jianlai Xie, Yonggang Zou, Yonggang Zou, Yuan Feng, Yuan Feng, Xiaohui Ma, Xiaohui Ma, } "Single higher-order mode ring-shaped VCSEL with surface relief", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104571C (24 October 2017); doi: 10.1117/12.2284179; https://doi.org/10.1117/12.2284179

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