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 …

A spot-size converter having a waveguiding structure. The first part of the waveguiding
structure receives light from or transmits light to a first waveguide in a first propagation mode …

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

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 …

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 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 …

(57) ABSTRACT A spot-size-converting optical waveguide includes a core portion. A first
core portion of the core portion has a first straight portion and a first tapered portion. The first …

(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 …

A spot-size converter integrated optical device and method for manufacturing the same
readily fabricates and optimizes a laser and a spot-size converter region. The optical device …

(57) ABSTRACT A spot-size converter includes a cladding layer having a prin cipal Surface;
a first core layer disposed on the principal Surface and having a light input/output portion …