WDM PON SYSTEM
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Jul 31, 2009
filing date -
Nov 6, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes: a respective Optical Network Terminal (ONT) at each one of a plurality of customer sites, each ONT comprising an ONT Fabry Perot (F-P) laser for generating a respective broadband multi-mode uplink optical signal; and an Array Waveguide Grating (AWG) for receiving each broadband multi-mode uplink optical signal through a respective branch port, and for multiplexing a portion of each received broadband multi-mode uplink optical signal into a Wavelength Division Multiplexed (WDM) signal. Each ONT F-P laser is non-injection locked. A gain of each ONT F-P laser is sufficiently inhomogeneous that the modes of the respective broadband multi-mode uplink optical signal are independent. A filter function of the AWG includes a pass band that encompasses at least one mode of a broadband multi-mode uplink optical signal.
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