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 …

A photonic device has a waveguide, such as a ridge waveguide, defined by a waveguide
etch, an etched facet defined by a facet etch and having an optical coupling region optically …

An optical coupling includes a planar tapered waveguide coupling element having a first
end opposite a second end, a tapered waveguide positioned within a planar substrate, the …

(57) ABSTRACT A photonic device includes a semiconductor wafer having a waveguide
formed therein. An end of the waveguide includes a step. The photonic device further …

An optical coupler at an edge of a photonic integrated circuit (PIC) is provided and
configured to match a mode of a waveguide of the PIC to a mode of an external optical fiber …

(57) ABSTRACT A photonic chip, an edge coupler for an integrated photonic system and a
method for coupling a laser to the photonic chip. The edge coupler includes a waveguide of …

A waveguide choke joint includes a first array of pillars positioned on a substrate, each pillar
in the first array of pillars having a first size and configured to receive an input plane wave at …

A method forms a vertical output coupler for a waveguide that propagates light along a
horizontal propagation direction, through a waveguide material that overlies a buried oxide …

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 …

US10288806B2 - Junction region between two waveguides and associated method of
production - Google Patents US10288806B2 - Junction region between two waveguides and …