Towards 10 Gb/s OFDM-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

Research output: Contribution to journalArticle

116 Citations (Scopus)
26 Downloads (Pure)

Abstract

Visible light communication (VLC) is a promising solution to the increasing demands for wireless connectivity. Micro-sized Gallium Nitride (GaN) light emitting diodes (mirco-LEDs) are strong candidates for VLC due to their high bandwidths. Segmented violet mirco-LEDs are reported in this work with electrical-to-optical bandwidths up to 655 MHz. An orthogonal frequency division multiplexing (OFDM) 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 mirco-LED, when the nonlinear distortion of the mirco-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
Number of pages9
JournalPhotonics Research
Volume5
Issue number2
Early online date10 Feb 2017
DOIs
Publication statusPublished - 1 Apr 2017

Keywords

  • optical communications
  • free-space optical communication
  • light-emitting diodes (LEDs)
  • micro-optical devices
  • visible light communication

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