WDM PON RF/VIDEO BROADCAST OVERLAY
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Dec 22, 2008
filing date -
Jul 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for overlaying an analog broadcast channel in a Wavelength Division Multiplexed Passive Optical Network (WDM-PON). A remote node of the WDM PON includes a MUX/DEMUX for demultiplexing a Wavelength Division Multiplexed (WDM) signal and supplying respective wavelength channels to each one of a plurality of channel fibers; an optical power splitter for supplying the analog broadcast channel to each one of a plurality of distribution paths; and a respective optocoupler connected to each distribution path, each opticoupler coupling the analog broadcast channel into one of the channel fibers. The analog broadcast channel has a wavelength that is outside a wavelength band of the WDM signal. An Optical Network Terminal (ONT), which is connected to one of the channel fibers, includes a triplexer for separating the analog broadcast channel from at least a downlink wavelength channel of the WDM-PON.
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