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 …

A facet optical coupler, and techniques for forming a facet optical coupler, that includes a
waveguide disposed in a trench of a substrate are described. The substrate may be a silicon …

Aspects of the present application provide an optical device comprising a suspended optical
component over a cavity, such as an undercut region in a substrate. The cavity is filled with a …

Photonic integrated circuits including controllable cantilevers are described. Such photonic
integrated circuits may be used in connection with other optical devices, in which light is …

Techniques for forming a facet optical coupler to couple light at an edge of silicon substrate
are described. The facet optical coupler includes a silicon substrate, a layer of second …

Cantilevered waveguides suspended above an air cavity in an underlying substrate are
described. The waveguide is formed by patterning a waveguide layer in some embodi …

Structures for an edge coupler and methods of fabricating such structures. The structure
includes a substrate, a waveguide core, and a metamaterial layer positioned in a vertical …

An example device comprises: a substrate comprising a waveguide material having a
waveguide refractive index (RIwG); a first layer of oxide on the substrate having an RI, lower …

Structures for an edge coupler and methods of fabricating such structures. The structure
includes a back-end-of-line stack located over a substrate. The back-end-of-line stack …

Integrated wavelength selectors are described. The wavelength selector may include silicon
nitride ring resonator disposed vertically between a heater and a temperature sensor. The …