WDM-PON having optical source of self-injection locked fabry-perot laser diode
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United States of America Patent
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Mar 16, 2010
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app pub date -
Dec 30, 2004
filing date -
Oct 20, 2004
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Abstract
A wavelength division multiplexed-passive optical network includes an optical line terminal for generating downstream optical signals of discrete wavelengths and for receiving upstream optical signals of discrete wavelengths, a remote node, coupled to the optical line terminal, a wavelength division unit settled to reflect a predetermined wavelength, and a plurality of optical network units. Each optical network unit has an optical source which is oscillated in a multi-mode and is self-injection locked by the predetermined wavelength provided thereto, thereby to generate the upstream optical signal in a single mode to be provided to the remote node.
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