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US Patent 6947639 Integrated polarization coupler

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
69476390
Patent Inventor Names
Hamid R. Khazaei0
Harmeet Singh0
Date of Patent
September 20, 2005
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Patent Application Number
102984650
Date Filed
November 18, 2002
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Patent Citations Received
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US Patent 12111207 Despeckling in optical measurement systems
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US Patent 11914201 Mechanisms that transfer light between layers of multi-chip photonic assemblies
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US Patent 12066702 Systems and methods for distinguishing between a user and an object
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US Patent 12089931 Optical sensor for skin-contact detection and physiological parameter measurement at wearable electronic device
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US Patent 12111210 Light source modules for noise mitigation
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US Patent 11835836 Mach-Zehnder interferometer device for wavelength locking
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US Patent 11852318 Optical system for noise mitigation
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...
Patent Primary Examiner
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Mark Tremblay
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Patent abstract

A polarization coupler includes a stress-inducing feature disposed to generate a stress-field in a substrate. First and second waveguides each have a coupling portion that pass through the stress-field. First and second periodic-structures are in optical communication with the coupling portions of the first and second waveguides.

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