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

Sujan Rajbhandari, J. J. D. McKendry, J. Herrnsdorf, H. Chun, G. Faulkner, H. Haas, I. M. Watson, D. O'Brien, M. D. Dawson

Research output: Contribution to journalReview article

70 Citations (Scopus)
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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 polymer 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−1 are also outlined.
Original languageEnglish
Article number023001
JournalSemiconductor Science and Technology
Volume32
Issue number2
DOIs
Publication statusPublished - 4 Jan 2017

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

Bibliographical note

The full text is not available on the repository until the 4th of January 2018.

Cite this

A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications. / Rajbhandari, Sujan; McKendry, J. J. D.; Herrnsdorf, J.; Chun, H.; Faulkner, G.; Haas, H.; Watson, I. M.; O'Brien, D.; Dawson, M. D.

In: Semiconductor Science and Technology, Vol. 32, No. 2, 023001, 04.01.2017.

Research output: Contribution to journalReview article

Rajbhandari, S, McKendry, JJD, Herrnsdorf, J, Chun, H, Faulkner, G, Haas, H, Watson, IM, O'Brien, D & Dawson, MD 2017, 'A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications' Semiconductor Science and Technology, vol. 32, no. 2, 023001. https://doi.org/10.1088/1361-6641/32/2/023001
Rajbhandari, Sujan ; McKendry, J. J. D. ; Herrnsdorf, J. ; Chun, H. ; Faulkner, G. ; Haas, H. ; Watson, I. M. ; O'Brien, D. ; Dawson, M. D. / A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications. In: Semiconductor Science and Technology. 2017 ; Vol. 32, No. 2.
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