High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications

Ricardo X G Ferreira; Enyuan Xie; Jonathan J D McKendry; Sujan Rajbhandari; Hyunchae Chun; Grahame Faulkner; Scott Watson; Anthony E. Kelly; Erdan Gu; Richard V. Penty; Ian H. White; Dominic C. O'Brien; Martin D. Dawson

doi:10.1109/LPT.2016.2581318

High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications

Ricardo X G Ferreira, Enyuan Xie, Jonathan J D McKendry, Sujan Rajbhandari, Hyunchae Chun, Grahame Faulkner, Scott Watson, Anthony E. Kelly, Erdan Gu, Richard V. Penty, Ian H. White, Dominic C. O'Brien, Martin D. Dawson

Vice Chancellor's Office

Research output: Contribution to journal › Article › peer-review

323 Citations (SciVal)

Abstract

Gallium-nitride (GaN)-based light-emitting diodes (LEDs) are highly efficient sources for general purpose illumination. Visible light communications (VLC) uses these sources to supplement existing wireless communications by offering a large, licence-free region of optical spectrum. Here, we report on progress in the development of micro-scale GaN LEDs (micro-LEDs), optimized for VLC. These blue-emitting micro-LEDs are shown to have very high electrical-to-optical modulation bandwidths, exceeding 800 MHz. The data transmission capabilities of the micro-LEDs are illustrated by demonstrations using ON-OFF-keying, pulse-amplitude modulation, and orthogonal frequency division multiplexing modulation schemes to transmit data over free space at the rates of 1.7, 3.4, and 5 Gb/s, respectively.

Original language	English
Article number	7492305
Pages (from-to)	2023-2026
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	28
Issue number	19
Early online date	15 Jun 2016
DOIs	https://doi.org/10.1109/LPT.2016.2581318
Publication status	Published - 1 Oct 2016

Keywords

Bandwidth
GaN
micro light-emitting diodes
OFDM
optical communication
PAM
visible-light communication

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2016.2581318Licence: CC BY

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Ferreira, R. X. G., Xie, E., McKendry, J. J. D., Rajbhandari, S., Chun, H., Faulkner, G., Watson, S., Kelly, A. E., Gu, E., Penty, R. V., White, I. H., O'Brien, D. C., & Dawson, M. D. (2016). High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications. IEEE Photonics Technology Letters, 28(19), 2023-2026. Article 7492305. https://doi.org/10.1109/LPT.2016.2581318

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abstract = "Gallium-nitride (GaN)-based light-emitting diodes (LEDs) are highly efficient sources for general purpose illumination. Visible light communications (VLC) uses these sources to supplement existing wireless communications by offering a large, licence-free region of optical spectrum. Here, we report on progress in the development of micro-scale GaN LEDs (micro-LEDs), optimized for VLC. These blue-emitting micro-LEDs are shown to have very high electrical-to-optical modulation bandwidths, exceeding 800 MHz. The data transmission capabilities of the micro-LEDs are illustrated by demonstrations using ON-OFF-keying, pulse-amplitude modulation, and orthogonal frequency division multiplexing modulation schemes to transmit data over free space at the rates of 1.7, 3.4, and 5 Gb/s, respectively.",

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AB - Gallium-nitride (GaN)-based light-emitting diodes (LEDs) are highly efficient sources for general purpose illumination. Visible light communications (VLC) uses these sources to supplement existing wireless communications by offering a large, licence-free region of optical spectrum. Here, we report on progress in the development of micro-scale GaN LEDs (micro-LEDs), optimized for VLC. These blue-emitting micro-LEDs are shown to have very high electrical-to-optical modulation bandwidths, exceeding 800 MHz. The data transmission capabilities of the micro-LEDs are illustrated by demonstrations using ON-OFF-keying, pulse-amplitude modulation, and orthogonal frequency division multiplexing modulation schemes to transmit data over free space at the rates of 1.7, 3.4, and 5 Gb/s, respectively.

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High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications

Abstract

Keywords

ASJC Scopus subject areas

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