3.8-Gbit/s visible light communication (VLC) based on 443-nm superluminescent diode and bit-loading discrete-multiple-tone (DMT) modulation scheme

Fangchen Hu; Jorge A. Holguin-Lerma; Yuan Mao; Chao Shen; Xiaobin Sun; Meiwei Kong; Tien Khee Ng; Boon S. Ooi; Nan Chi

doi:10.1117/12.2543983

31 January 2020 3.8-Gbit/s visible light communication (VLC) based on 443-nm superluminescent diode and bit-loading discrete-multiple-tone (DMT) modulation scheme

Fangchen Hu, Jorge A. Holguin-Lerma, Yuan Mao, Chao Shen, Xiaobin Sun, Meiwei Kong, Tien Khee Ng, Boon S. Ooi, Nan Chi

Author Affiliations +

Proceedings Volume 11307, Broadband Access Communication Technologies XIV; 113070H (2020) https://doi.org/10.1117/12.2543983
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

There exists a demand for radiation-safe and high-speed communication systems available to public users in the fifthgeneration (5G) communication and beyond. In this regard, visible light communication (VLC) stands out offering multiGigabit-per-second (Gbit/s) data transmission, energy efficiency and illumination, while being free from electromagnetic interference. Here, we report a high-speed VLC link by using a 443-nm GaN-based superluminescent diode (SLD) and bit-loading discrete-multiple-tone (DMT) modulation. Analysis of the device characteristics and modulation parameters shows a feasible bit allocation of up to 256-QAM while obtaining up to 3.8 Gbit/s data rate. These results, together with the electro-optical properties of the SLD such as being droop-free, speckle-free and high-power, make it an attractive solution for the future of public communications and smart lighting, while complementing traditional fiber-based and millimeter-wave technology.

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Fangchen Hu, Jorge A. Holguin-Lerma, Yuan Mao, Chao Shen, Xiaobin Sun, Meiwei Kong, Tien Khee Ng, Boon S. Ooi, and Nan Chi "3.8-Gbit/s visible light communication (VLC) based on 443-nm superluminescent diode and bit-loading discrete-multiple-tone (DMT) modulation scheme", Proc. SPIE 11307, Broadband Access Communication Technologies XIV, 113070H (31 January 2020); https://doi.org/10.1117/12.2543983

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