US Patent 7835650 Optical domain frequency down-conversion of microwave signals
Patent 7835650 was granted and assigned to Drexel University on November, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A linear phase demodulator/down-converter comprises an optical amplitude modulator for modulating the amplitude of an optical input signal, a photo-detector, a loop filter and an optical phase modulator provided with a light source. The optical phase modulator/down-converter provides optical down conversion, optical up conversion, or a combination thereof. The photo-detector can be a balanced photo-detector. Linear phase demodulation and/or down conversion is performed completely in the optical domain.
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US Patent 07835650 Optical domain frequency down-conversion of microwave signals US Patent 7835650 Optical domain frequency down-conversion of microwave signals
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Patent Number
0783565000
Patent Number
783565000
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078356500
Date of Patent
November 16, 2010
0Patent Application Number
117763220
Date Filed
July 11, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078356500
Date of Patent
November 16, 2010
0Patent Application Number
117763220
Date Filed
July 11, 2007
0Official Website
Patent Primary Examiner
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US Patent 07835650 Optical domain frequency down-conversion of microwave signals
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07835650
Date of patent
November 16, 2010
Patent application number
11776322
Date Filed
July 11, 2007
Patent primary examiner
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