Photonics Research, 2018, 6 (5): 05000422, Published Online: Jul. 6, 2018  

20.231  Gbit/s tricolor red/green/blue laser diode based bidirectional signal remodulation visible-light communication system

Author Affiliations
1 Department of Photonics and Institute of Electro-Optical Engineering, Taiwan Chiao Tung University, Hsinchu 30010, China
2 Department of Electronic Engineering, The Chinese University of Hong Kong, Sha Tin, Hong Kong, China
3 Department of Photonics, Feng Chia University, Taichung 40724, China
Abstract
We propose and experimentally demonstrate a recorded 1-m bidirectional 20.231-Gbit/s tricolor R/G/B laser diode (LD) based visible-light communication (VLC) system supporting signal remodulation. In the signal remodulation system, an LD source is not needed at the client side. The client reuses the downstream signal sent from the central office (CO) and remodulates it to produce the upstream signal. As the LD sources are located at the CO, the laser wavelength and temperature managements at the cost-sensitive client side are not needed. This is the first demonstration, to our knowledge, of a >20 Gbit/s data rate tricolor R/G/B VLC signal transmission supporting upstream remodulation.

Liang-Yu Wei, Chin-Wei Hsu, Chi-Wai Chow, Chien-Hung Yeh. 20.231  Gbit/s tricolor red/green/blue laser diode based bidirectional signal remodulation visible-light communication system[J]. Photonics Research, 2018, 6(5): 05000422.

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