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Towards 10 Gb/s orthogonal frequency division multiplexing-based visible light communication using a GaN violet micro-LED

  • Mohamed Sufyan Islim
  • , Ricardo X. Ferreira
  • , Xiangyu He
  • , Enyuan Xie
  • , Stefan Videv
  • , Shaun Viola
  • , Scott Watson
  • , Nikolaos Bamiedakis
  • , Richard V. Penty
  • , Ian H. White
  • , Anthony E. Kelly
  • , Erdan Gu
  • , Harald Haas
  • , Martin D. Dawson
  • Edinburgh Napier University
  • University of Strathclyde
  • University of Glasgow
  • University of Cambridge

Research output: Contribution to journalArticlepeer-review

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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.

Original languageEnglish
Pages (from-to)A35-A43
JournalPhotonics Research
Volume5
Issue number2
Early online date28 Mar 2017
DOIs
Publication statusPublished - 1 Apr 2017

Funding

Engineering and Physical Sciences Research Council (EPSRC) (EP/K00042X/1, EP/M506515/1).

Keywords

  • Free-space optical communication
  • Light-emitting diodes
  • Micro-optical devices
  • Optical communications

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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