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Photonics Research

Photonics Research

| A joint OSA/Chinese Laser Press publication

  • Editor: Zhiping (James) Zhou
  • Vol. 1, Iss. 2 — Aug. 1, 2013
  • pp: 92–95

Optical domain digital-to-analog converter for visible light communications using LED arrays [Invited]

Jean Armstrong  »View Author Affiliations


Photonics Research, Vol. 1, Issue 2, pp. 92-95 (2013)
http://dx.doi.org/10.1364/PRJ.1.000092


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Abstract

In this paper, we describe a new type of digital-to-analog converter (DAC) for optical wireless communication. Conversion occurs in the optical rather than the electrical domain. The overall intensity of the light transmitted by an array of light-emitting diodes (LEDs) is varied by changing the number of LEDs that are switched on. A number of different structures are described, and their compatibility with light dimming and overall energy efficiency are discussed. The linearity of the new DAC depends on the geometry of the system and on the variability in light output between individual LEDs.

© 2013 Chinese Laser Press

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(350.0350) Other areas of optics : Other areas of optics

ToC Category:
Optical Communications

History
Original Manuscript: April 15, 2013
Revised Manuscript: May 25, 2013
Manuscript Accepted: May 26, 2013
Published: July 19, 2013

Citation
Jean Armstrong, "Optical domain digital-to-analog converter for visible light communications using LED arrays [Invited]," Photon. Res. 1, 92-95 (2013)
http://www.opticsinfobase.org/prj/abstract.cfm?URI=prj-1-2-92


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