Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 3, 2023
Patent Application Number
17054486
Date Filed
May 10, 2019
Patent Primary Examiner
An optoelectronic device. The optoelectronic device comprising: a rib waveguide provided on a substrate of the device, the rib waveguide comprising a ridge portion and a slab portion; a heater, disposed within the slab portion; a thermally isolating trench, adjacent to the rib waveguide, and extending into the substrate of the device; and a thermally isolating cavity within the substrate, which is directly connected to the thermally isolating trench, and which extends across at least a part of a width of the rib waveguide between the rib waveguide and the substrate.
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