High-speed InGaN/GaN blue laser diodes for visible light communications

Junfei Wang; Junhui Hu; Yuqi Hou; Shulan Yi; Chao Shen

doi:10.1117/12.3004154

9 March 2024 High-speed InGaN/GaN blue laser diodes for visible light communications

Junfei Wang, Junhui Hu, Yuqi Hou, Shulan Yi, Chao Shen

Proceedings Volume PC12886, Gallium Nitride Materials and Devices XIX; PC1288610 (2024) https://doi.org/10.1117/12.3004154
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Laser-based visible laser communication (VLC) is an emerging optical wireless communication technology for future 6G wireless network. In this work, we present the design, fabrication, and characterization of high-speed InGaN/GaN multiple quantum-well (MQW) laser diodes on c-plane GaN substrate. The peak emission wavelength is ~ 451 nm. A modulation bandwidth of 5 GHz has been achieved. Using the laser diode as transmitter, a data transmission rate beyond 15 Gbps has been measured in the VLC link using discrete multitone (DMT) modulation.

Conference Presentation

Citation Download Citation

Junfei Wang, Junhui Hu, Yuqi Hou, Shulan Yi, and Chao Shen "High-speed InGaN/GaN blue laser diodes for visible light communications", Proc. SPIE PC12886, Gallium Nitride Materials and Devices XIX, PC1288610 (9 March 2024); https://doi.org/10.1117/12.3004154

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