Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuya Nishi0
Satoshi Kuroyanagi0
Date of Patent
December 5, 2006
Patent Application Number
10265255
Date Filed
October 7, 2002
Patent Primary Examiner
Patent abstract
Each piece of WDM light transmitted via the first and second line is demultiplexed for each wavelength by the first and second optical demultiplexer, and is selected by n optical selectors. Each selected optical signal is split by n optical splitters and is input to one set of optical switches. Each one of optical signals from the set of optical switches is selected by n optical selectors. Furthermore, each selected optical signal is regenerated by n wavelength converters. Each regenerated optical signal is split by n optical splitters, and is multiplexed by the first and second optical multiplexers.
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