High-speed solar-blind optical wireless communication enabled by DUV LED

Yuki Yoshida; Kazunobu Kojima; Masaki Shiraiwa; Atsushi Kanno; Akira Hirano; Yosuke Nagasawa; Masamichi Ippommatsu; Naokatsu Yamamoto; Shigefusa F. Chichibu; Yoshinari Awaji

doi:10.1117/12.2608459

9 March 2022 High-speed solar-blind optical wireless communication enabled by DUV LED

Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa F. Chichibu, Yoshinari Awaji

Author Affiliations +

Proceedings Volume PC12022, Light-Emitting Devices, Materials, and Applications XXVI; PC120220K (2022) https://doi.org/10.1117/12.2608459
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

High-speed optical wireless communication (OWC) systems based on light-emitting diode (LED), such as Li-Fi, are promising solutions for the looming spectrum crisis in 6G wireless communications. OWCs typically extend the RF spectrum by harnessing the visible light and infrared spectra, but the recent advancements in deep-ultraviolet (DUV) LED device technology allow us to further extend the OWC spectrum down to the DUV range, namely the solar-blind band. This talk reviews the recent progress of the high-speed OWCs based on DUV-LEDs including Gbps-class transmission demonstrations in direct sunlight and analyses on the microscopic structural and optical characteristics of high-speed AlGaN-based LEDs.

Conference Presentation

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Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa F. Chichibu, and Yoshinari Awaji "High-speed solar-blind optical wireless communication enabled by DUV LED", Proc. SPIE PC12022, Light-Emitting Devices, Materials, and Applications XXVI, PC120220K (9 March 2022); https://doi.org/10.1117/12.2608459

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