Integrating silicon photonics and laser dies using flip-chip technology
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United States of America Patent
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May 21, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jun 27, 2017
filing date -
Jul 7, 2016
priority date (Note) -
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Abstract
An optoelectronic device includes an optoelectronic die, a laser die, and electrical interconnects. The optoelectronic device has a surface. A trench having first and second walls and a floor is formed in the surface, and an electrically conductive layer extends from the floor, via the first wall, to the surface. The laser die includes first and second electrodes and a laser output aperture. The laser die is mounted in the trench and is configured to emit a laser beam. The first electrode is coupled to the electrically conductive layer and the laser output aperture is mechanically aligned with a waveguide that extends from the second wall. The interconnects are formed on the second electrode of the laser die and on selected locations on the surface of the optoelectronic die. The interconnects are coupled to a substrate, and are configured to conduct electrical signals between the optoelectronic die and the substrate.
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