(57) ABSTRACT A semiconductor photonic device includes a substrate, fa cet (s), and
optical coupler (s) associated with the facet (s). Each optical coupler can couple an …

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 …

An optical device comprises a fiber having a cladding and a core, and a target PIC
waveguide having a cladding and a core. The cladding on one side of the input fiber is …

A mode-converting optical coupler may include a secondary waveguide to guide light in one
or more secondary optical modes, and a primary waveguide to guide light in one or more …

A system for stabilizing a scale factor associated with an optic rotation sensor comprises an
optic rotation sensor that generates an optic signal in response to a rotation of the optic …

Optical coupler structures include a waveguide having waveguide metamaterial segments
aligned along a first line. A second insulator is on the first insulator and the waveguide …

An aspect of the present disclosure relates to a method for on-wafer characterization of
optical structures of photonic chips defined in a photonic wafer, the photonic chips being …

(57) ABSTRACT A low propagation loss and loose fabrication tolerance waveguide for a
photonic integrated circuit (PIC) device may be realized by using a weak optical confinement …

An integrated optical polarizer for generating linear polarizing light may be formed in a
photonic integrated circuit (PIC) for applications that require stable output state of …

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