Tailored Transverse Mode Vertical-Cavity Surface-Emitting Laser: Hollow Laser Beam Emission through Circle Aperture

• Main Authors: Yinli Zhou, Xing Zhang, Jianwei Zhang, Youwen Huang, Yugang Zeng, Jinjiang Cui, Yun Liu, Yongqiang Ning, Lijun Wang
• Format: Article
• Language: English
• Published: IEEE 2020-01-01
• Series: IEEE Photonics Journal
• Subjects: Vertical-cavity surface-emitting lasers; hollow laser beam; inverted surface relief
• Online Access: https://ieeexplore.ieee.org/document/9122413/
• ISSN: 1943-0655

Vertical-cavity surface-emitting lasers that can be controlled to emit hollow laser beam in certain LP₂₁ mode are proposed and fabricated. A circular inverted surface relief with precisely designed diameter and thickness is introduced through theoretical simulation. The fabricated device shows a stable single LP₂₁ mode operation with excellent robustness of mode and power to temperature. Preliminary analysis attribute the excellent performance of the device to the inverted surface relief, leading to hollow near-field spot distribution.