A spot-size converter for coupling light between first and second waveguides respectively
supporting first and second propagation modes having substantially different dimensions is …

A spot-size converter includes a first part of a waveguiding structure to couple to a first
waveguide to receive light from or transmit light to the first waveguide in a first propagation …

US9759864B2 - Spot-size converter for optical mode conversion and coupling between two
waveguides - Google Patents US9759864B2 - Spot-size converter for optical mode conversion …

An optical waveguide includes a Substrate in the shape of a flat plate; lower clad that is
disposed on the substrate; and a core that is disposed on the lower clad and transmits light …

An optical component having a combination of optical waveguide elements for modifying the
spot size of a mode of an electromagnetic field propagated by an optical waveguide …

Composite optical waveguide structures or mode transformers and their methods of
fabrication and integration are disclosed, wherein the structures or mode transformers are …

(57) ABSTRACT A spot size converter has a first core, a larger second core, and a clad
disposed on a substrate. The first core has a rectilinear cross-sectional shape and is …

Composite optical waveguide structures or mode transformers and their methods of
fabrication and integration are disclosed, wherein the structures or mode transformers are …

A hybrid and tapered waveguide coupler that has two different single-mode waveguide
sections for light at two different wavelengths to couple light at the two different wavelengths …

A polarization-independent optical waveguide switch is provided featuring low loss and a
small device element length by making the width of the optical waveguides in the light …