High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications
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 o...
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| Veröffentlicht in: | IEEE photonics technology letters 2016-10, Vol.28 (19), p.2023-2026 |
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| container_title | IEEE photonics technology letters |
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| creator | Ferreira, Ricardo X. G. Xie, Enyuan McKendry, Jonathan J. D. Rajbhandari, Sujan Chun, Hyunchae Faulkner, Grahame Watson, Scott Kelly, Anthony E. Gu, Erdan Penty, Richard V. White, Ian H. O'Brien, Dominic C. Dawson, Martin D. |
| description | 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. |
| doi_str_mv | 10.1109/LPT.2016.2581318 |
| format | Article |
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G. ; Xie, Enyuan ; McKendry, Jonathan J. D. ; Rajbhandari, Sujan ; Chun, Hyunchae ; Faulkner, Grahame ; Watson, Scott ; Kelly, Anthony E. ; Gu, Erdan ; Penty, Richard V. ; White, Ian H. ; O'Brien, Dominic C. ; Dawson, Martin D.</creator><creatorcontrib>Ferreira, Ricardo X. G. ; Xie, Enyuan ; McKendry, Jonathan J. D. ; Rajbhandari, Sujan ; Chun, Hyunchae ; Faulkner, Grahame ; Watson, Scott ; Kelly, Anthony E. ; Gu, Erdan ; Penty, Richard V. ; White, Ian H. ; O'Brien, Dominic C. ; Dawson, Martin D.</creatorcontrib><description>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.</description><identifier>ISSN: 1041-1135</identifier><identifier>EISSN: 1941-0174</identifier><identifier>DOI: 10.1109/LPT.2016.2581318</identifier><identifier>CODEN: IPTLEL</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bandwidth ; Bit error rate ; Current density ; Data communication ; Gallium nitrides ; GaN ; Illumination ; Light (illumination) ; Light emitting diodes ; micro light-emitting diodes ; Modulation ; OFDM ; optical communication ; Orthogonal Frequency Division Multiplexing ; PAM ; visible-light communication ; Wireless communication</subject><ispartof>IEEE photonics technology letters, 2016-10, Vol.28 (19), p.2023-2026</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Bandwidth Bit error rate Current density Data communication Gallium nitrides GaN Illumination Light (illumination) Light emitting diodes micro light-emitting diodes Modulation OFDM optical communication Orthogonal Frequency Division Multiplexing PAM visible-light communication Wireless communication |
| title | High Bandwidth GaN-Based Micro-LEDs for Multi-Gb/s Visible Light Communications |
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