A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications

Sujan Rajbhandari, Jonathan J. D. McKendry, Johannes Herrnsdorf, Hyunchae Chun, Grahame Faulkner, Harald Haas, Ian M. Watson, Dominic O'Brien, Martin D. Dawson

Research output: Contribution to journalReview article

69 Citations (Scopus)

Abstract

The field of visible light communications (VLC) has gained significant interest over the last decade, in both fibre and free-space embodiments. In fibre systems, the availability of low cost plastic optical fibre (POF) that is compatible with visible data communications has been a key enabler. In free-space applications, the availability of hundreds of THz of the unregulated spectrum makes VLC attractive for wireless communications. This paper provides an overview of the recent developments in VLC systems based on gallium nitride (GaN) light-emitting diodes (LEDs), covering aspects from sources to systems. The state-of-the-art technology enabling bandwidth of GaN LEDs in the range of >400 MHz is explored. Furthermore, advances in key technologies, including advanced modulation, equalisation, and multiplexing that have enabled free-space VLC data rates beyond 10 Gb/s are also outlined.
LanguageEnglish
Article number023001
Number of pages40
JournalSemiconductor Science and Technology
Volume32
DOIs
Publication statusPublished - 4 Jan 2017

Fingerprint

Gallium nitride
gallium nitrides
Light emitting diodes
optical communication
light emitting diodes
communication
Communication
availability
Availability
Plastic optical fibers
plastic fibers
fibers
Fibers
Space applications
wireless communication
visible spectrum
multiplexing
Multiplexing
telecommunication
Communication systems

Keywords

  • visible light communications
  • plastic optical fibre
  • fibre systems
  • wireless communication

Cite this

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title = "A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications",
abstract = "The field of visible light communications (VLC) has gained significant interest over the last decade, in both fibre and free-space embodiments. In fibre systems, the availability of low cost plastic optical fibre (POF) that is compatible with visible data communications has been a key enabler. In free-space applications, the availability of hundreds of THz of the unregulated spectrum makes VLC attractive for wireless communications. This paper provides an overview of the recent developments in VLC systems based on gallium nitride (GaN) light-emitting diodes (LEDs), covering aspects from sources to systems. The state-of-the-art technology enabling bandwidth of GaN LEDs in the range of >400 MHz is explored. Furthermore, advances in key technologies, including advanced modulation, equalisation, and multiplexing that have enabled free-space VLC data rates beyond 10 Gb/s are also outlined.",
keywords = "visible light communications, plastic optical fibre, fibre systems, wireless communication",
author = "Sujan Rajbhandari and McKendry, {Jonathan J. D.} and Johannes Herrnsdorf and Hyunchae Chun and Grahame Faulkner and Harald Haas and Watson, {Ian M.} and Dominic O'Brien and Dawson, {Martin D.}",
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A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications. / Rajbhandari, Sujan; McKendry, Jonathan J. D.; Herrnsdorf, Johannes; Chun, Hyunchae; Faulkner, Grahame; Haas, Harald; Watson, Ian M.; O'Brien, Dominic; Dawson, Martin D.

In: Semiconductor Science and Technology, Vol. 32, 023001 , 04.01.2017.

Research output: Contribution to journalReview article

TY - JOUR

T1 - A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications

AU - Rajbhandari, Sujan

AU - McKendry, Jonathan J. D.

AU - Herrnsdorf, Johannes

AU - Chun, Hyunchae

AU - Faulkner, Grahame

AU - Haas, Harald

AU - Watson, Ian M.

AU - O'Brien, Dominic

AU - Dawson, Martin D.

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AB - The field of visible light communications (VLC) has gained significant interest over the last decade, in both fibre and free-space embodiments. In fibre systems, the availability of low cost plastic optical fibre (POF) that is compatible with visible data communications has been a key enabler. In free-space applications, the availability of hundreds of THz of the unregulated spectrum makes VLC attractive for wireless communications. This paper provides an overview of the recent developments in VLC systems based on gallium nitride (GaN) light-emitting diodes (LEDs), covering aspects from sources to systems. The state-of-the-art technology enabling bandwidth of GaN LEDs in the range of >400 MHz is explored. Furthermore, advances in key technologies, including advanced modulation, equalisation, and multiplexing that have enabled free-space VLC data rates beyond 10 Gb/s are also outlined.

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KW - plastic optical fibre

KW - fibre systems

KW - wireless communication

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