WDM passive optical network with parallel signal detection for video and data delivery
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United States of America Patent
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Sep 4, 2012
Grant Date -
Jul 10, 2008
app pub date -
Nov 15, 2007
filing date -
Jan 9, 2007
priority date (Note) -
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Abstract
An optical network component, architecture and method for a wavelength division multiplexed passive optical network includes a band coupler configured to demultiplex first and second wavelength division multiplexed content transmitted from an optical line terminal into a first band signal and a second band signal. An arrayed wavelength grating is configured to receive the first band signal and to further demultiplex the first band signal into different wavelengths to provide a plurality of wavelength signals. An optical splitter is configured to split the second band signal into sub-signals and multiplex the sub-signals with each of the wavelength signals such that the first and second wavelength division multiplexed content is provided on a single wavelength to a user.
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