Patent 10416380 was granted and assigned to Acacia Communications on September, 2019 by the United States Patent and Trademark Office.
Techniques for forming a photonic device that includes a suspended photonic structure suspended over a silicon substrate are described. A sealed cavity is positioned between the silicon substrate and the photonic structure, and one or more regions of dielectric material act to seal the cavity. Additional structure(s) may be formed on top of the dielectric material.