1.5 Gbit/s multi-channel visible light communications using CMOS-controlled gaN-based lEDs

Zhang, S., Watson, S. , Mckendry, J., Massoubre, D., Cogman, A., Gu, E., Henderson, R., Kelly, A. and Dawson, M. (2013) 1.5 Gbit/s multi-channel visible light communications using CMOS-controlled gaN-based lEDs. Journal of Lightwave Technology, 31(8), pp. 1211-1216. (doi:10.1109/JLT.2013.2246138)

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Abstract

An on-chip multi-channel visible light communication (VLC) system is realized through a blue (450 nm) GaN-based micron-size light-emitting diode (micro-LED) array integrated with complementary metal-oxide-semiconductor (CMOS) electronics. When driven by a custom-made CMOS driving board with 16 independent parallel data input ports, this micro-LED array device is computer controllable via a standard USB interface and is capable of delivering high speed parallel data streams for VLC. A total maximum error-free data transmission rate of 1.5 Gbit/s is achieved over free space by modulating four micro-LED pixels simultaneously using an on-off key non-return to zero modulation scheme. Electrical and optical crosstalk of the system has also been investigated in detail and the further optimization of CMOS design to minimize the crosstalk is proposed.

Item Type:Articles
Keywords:Complementary metal-oxide-semiconductor (CMOS), micro light-emitting diodes , multi-channel, parallel data transmission, spatial-multiplexing, visible light communications
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kelly, Professor Anthony and Watson, Dr Scott and Mckendry, Dr Jonathan and Zhang, Dr Shuailong
Authors: Zhang, S., Watson, S., Mckendry, J., Massoubre, D., Cogman, A., Gu, E., Henderson, R., Kelly, A., and Dawson, M.
Subjects:Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering
College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:Journal of Lightwave Technology
Journal Abbr.:JLT
Publisher:IEEE
ISSN:0733-8724
ISSN (Online):1558-2113

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