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High-speed visible light communications using individual pixels in a micro light-emitting diode array

McKendry, J. and Green, R. and Kelly, A. and Gong, Z. and Guilhabert, B.J.E. and Massoubre, D. and Gu, E. and Dawson, M.D. (2010) High-speed visible light communications using individual pixels in a micro light-emitting diode array. IEEE Photonics Technology Letters, 22 (18). pp. 1346-1348. ISSN 1041-1135

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Abstract

The high-frequency modulation of individual pixels in III-nitride-based micro-pixel light-emitting diode arrays, where each array consists of 16 × 16 individually addressable 72-μm-diameter pixels, are reported. The devices investigated have peak emission wavelengths at 370, 405, and 450 nm, respectively. The optical -3-dB modulation bandwidth of a typical pixel from the 450-nm-emitting device was found to be approximately 245 MHz. Data transmission at rates of up to 1 Gb/s is demonstrated from a single pixel emitting at 450 nm, using on-off keying nonreturn-to-zero modulation, with a bit-error ratio of less than 1 × 10-10. Such devices have potential for free-space or fiber-coupled visible light communications.

Item type: Article
ID code: 27668
Keywords: bandwidth, GaN, micro light-emitting diodes, micro-LEDs, modulation, polymer optical fiber, POF, white light-emitting diode, LED, Optics. Light, Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Faculty of Science > Physics
Related URLs:
    Depositing user: Miss Sharon Kelly
    Date Deposited: 08 Oct 2010 18:42
    Last modified: 28 Mar 2014 05:29
    URI: http://strathprints.strath.ac.uk/id/eprint/27668

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