Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Damien Lambert0
Guoliang Li0
Nikhil Kumar0
Date of Patent
August 9, 2022
Patent Application Number
16985860
Date Filed
August 5, 2020
Patent Citations
Patent Primary Examiner
A waveguide mode expander couples a smaller optical mode in a semiconductor waveguide to a larger optical mode in an optical fiber. The waveguide mode expander comprises a shoulder and a ridge. In some embodiments, the ridge of the waveguide mode expander has a plurality of stages, the plurality of stages having different widths at a given cross section.
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