Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 25, 2023
0Patent Application Number
175406260
Date Filed
December 2, 2021
0Patent Citations
...
Patent Primary Examiner
CPC Code
A three-dimensional photonic integrated structure includes a first semiconductor substrate and a second semiconductor substrate. The first substrate incorporates a first waveguide and the second semiconductor substrate incorporates a second waveguide. An intermediate region located between the two substrates is formed by a one dielectric layer. The second substrate further includes an optical coupler configured for receiving a light signal. The first substrate and dielectric layer form a reflective element located below and opposite the grating coupler in order to reflect at least one part of the light signal.
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