Visible Light Communication Using a Blue GaN μLED and Fluorescent Polymer Color Converter

H. Chun, P. Manousiadis, Sujan Rajbhandari, D. A. Vithanage, G. Faulkner, D. Tsonev, J. J. D. McKendry, S. Videv, E. Xie, E. Gu, M. D. Dawson, H. Haas, G. A. Turnbull, I. D. W. Samuel, D. C. O'Brien

    Research output: Contribution to journalArticle

    121 Citations (Scopus)
    100 Downloads (Pure)

    Abstract

    This letter presents a novel technique to achieve high-speed visible light communication (VLC) using white light generated by a blue GaN μLED and a yellow fluorescent copolymer. We generated white light suitable for room illumination by optimizing the ratio between the blue electroluminescence of the μLED and yellow photoluminescence of the copolymer color converter. Taking advantage of the components’ high bandwidth, we demonstrated 1.68 Gb/s at a distance of 3 cm (at 240 lx illumination). To the best of our knowledge, this is the fastest white light VLC results using a single blue LED/color converter combination.
    Original languageEnglish
    Pages (from-to)2035 - 2038
    JournalIEEE Photonics Technology Letters
    Volume26
    Issue number20
    DOIs
    Publication statusPublished - 5 Aug 2014

    Bibliographical note

    “© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”

    Keywords

    • III-V semiconductors
    • electroluminescence
    • fluorescence
    • gallium compounds
    • light emitting diodes
    • optical communication
    • optical polymers
    • photoluminescence
    • polymer blends
    • wide band gap semiconductors
    • GaN
    • bit rate 1.68 Gbit/s
    • blue GaN μLED
    • blue electroluminescence
    • distance 3 cm
    • fluorescent copolymer color converter
    • room illumination
    • visible light communication
    • white light VLC
    • yellow photoluminescence
    • OFDM
    • VLC
    • colour converter
    • illumination
    • micro LED
    • organic semiconductors
    • super yellow
    • Bandwidth
    • Bit error rate
    • Gallium nitride
    • Light emitting diodes
    • Lighting
    • Polymers

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