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Opt Express. 2012 Apr 23;20(9):9919-24. doi: 10.1364/OE.20.009919.

10m/500 Mbps WDM visible light communication systems.

Author information

1
Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, 106, Taiwan.

Abstract

A wavelength-division-multiplexing (WDM) visible light communiction (VLC) system employing red and green laser pointer lasers (LPLs) with directly modulating data signals is proposed and experimentally demonstrated. With the assistance of preamplifier and adaptive filter at the receiving sites, low bit error rate (BER) at 10 m/500 Mbps operation is obtained for each wavelength. The use of preamplifier and adaptive filter offer significant improvements for free-space transmission performance. Improved performance of BER of <10(-9), as well as better and clear eye diagram were achieved in our proposed WDM VLC systems. LPL features create a new category of good performance with high-speed data rate, long transmission length (>5m), as well as easy handling and installation. This proposed WDM VLC system reveals a prominent one to present its advancement in simplicity and convenience to be installed.

PMID:
22535084
DOI:
10.1364/OE.20.009919
[Indexed for MEDLINE]

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