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Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 7, 2009
Patent Application Number
11162938
Date Filed
September 28, 2005
Patent Primary Examiner
Patent abstract
An all-optical modulation format converter for converting optical data signals modulated in an on-off-keying (OOK) format to a phase-shift-keying (PSK) format. The OOK-to-PSK converter can be coupled to a delay-line interferometer to provide an all-optical wavelength converter for differential PSK (DPSK). The OOK-to-PSK converter can also be used in all-optical implementations of various functions, including, for example, exclusive-OR (XOR) logic, shift registers, and pseudo-random binary sequence (PRBS) generators.
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