Techniques for forming a facet optical coupler that includes a waveguide formed over a
trench of a silicon substrate are described. The trench is formed in a silicon substrate and …

Techniques for forming a facet optical coupler that includes a waveguide formed over a
trench of a silicon substrate are described. The trench is formed in a silicon substrate and …

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 …

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 …

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 embodiments …

Structures for an edge coupler and methods of fabricating a structure for an edge coupler. A
waveguide core and a coupler are formed over a layer stack that includes a first dielectric …

A method of fabricating an edge coupling device and an edge coupling device are provided.
The method includes removing a portion of cladding material to form a trench over an …

SUMMARY 0005 Embodiments of the inventive concepts provide methods of forming an
optical coupler having improved opti cal coupling efficiency. 0006. According to example …

A photonic edge coupler includes a slab waveguide and a ridge waveguide. The ridge
waveguide includes a silicon wire waveguide, which includes a tapered portion. A first end …