Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 9, 2021
Patent Application Number
16424580
Date Filed
May 29, 2019
Patent Citations Received
Patent Primary Examiner
Patent abstract
A coherent optical receiver for AM optical signals has a photonic integrated circuit (PIC) as an optical front-end. The PIC includes a polarization beam splitter followed by two optical hybrids each followed by an opto-electric (OE) converter. Each OE converter includes one or more differential detectors and one or more squaring circuits, which outputs may be summed. The PIC may further include integrated polarization controllers, wavelength demultiplexers, and/or tunable dispersion compensators.
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