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Proceedings Paper

Free-space optical data transmission using wavelength-division-multiplexing with a dedicated CMOS image sensor for indoor optical wireless LAN
Author(s): K. Kagawa; J. Tanida
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Paper Abstract

We have proposed a space- and wavelength-division-multiplexing (WDM) indoor optical wireless LAN system based on a custom CMOS image sensor to realize a compact, high-speed, and intelligent nodes and hub. The CMOS image sensor can detect multiple fast optical data concurrently as well as captures ordinary images from which positions of communication nodes or the hub is obtained. In this paper, with the CMOS image sensor, we demonstrate an application of WDM technique to downlinks. We fabricated a 64x64-pixel custom CMOS image sensor with 4-channel concurrent data acquisition function. Experimental results showed that the CMOS sensor received 10Mbps×3ch WDM data while capturing ordinary images.

Paper Details

Date Published: 21 August 2009
PDF: 8 pages
Proc. SPIE 7464, Free-Space Laser Communications IX, 74640E (21 August 2009); doi: 10.1117/12.826874
Show Author Affiliations
K. Kagawa, Osaka Univ. (Japan)
J. Tanida, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 7464:
Free-Space Laser Communications IX
Arun K. Majumdar; Christopher C. Davis, Editor(s)

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