Wavelength division multiplexing-passive optical network system
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United States of America Patent
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Apr 14, 2015
Grant Date -
Sep 15, 2011
app pub date -
Oct 16, 2008
filing date -
Dec 18, 2007
priority date (Note) -
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Abstract
The present invention proposes a wavelength division multiplexing-passive optical network (WDM-PON) system which transmits downstream data to an optical network unit (ONU) as an optical line termination (OLT) receives seed light from a spectrum-sliced external light source module. One characteristic of the proposed WDM-PON system is that optical transmitters of the OLT and ONU are operated regardless of optical wavelength. Another characteristic of the proposed WDM-PON system is that a conventional TDMA-PON (E-PON or G-PON) ONU can be accommodated without a change.
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