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Towards 10 Gb/s OFDM-based Visible Light Communication using a GaN Violet micro-LED

Research output: Contribution to journalArticle

  • Mohamed Islim
  • Ricardo Ferreira
  • Xiangyu He
  • Enyuan Xie
  • Stefan Videv
  • Shaun Viola
  • Scott Watson
  • Nikolaos Bamiedakis
  • Richard Penty
  • Ian White
  • Anthony Kelly
  • Erdan Gu
  • Harald Haas
  • Martin D. Dawson

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Original languageEnglish
Pages (from-to)A35-A43
JournalPhotonics Research
Volume5
Issue number2
DOIs
Publication statusPublished - 28 Mar 2017

Abstract

Visible light communication (VLC) is a promising solution to the increasing demands for wireless connectivity. Gallium nitride micro-sized light emitting diodes (micro-LEDs) are strong candidates for VLC due to their high bandwidths. Segmented violet micro-LEDs are reported in this work with electrical-to-optical bandwidths up to 655 MHz. An orthogonal frequency division multiplexing-based VLC system with adaptive bit and energy loading is demonstrated, and a data transmission rate of 11.95 Gb/s is achieved with a violet micro-LED, when the nonlinear distortion of the micro-LED is the dominant noise source of the VLC system. A record 7.91 Gb/s data transmission rate is reported below the forward error correction threshold using a single pixel of the segmented array when all the noise sources of the VLC system are present.

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