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

US10197734B2 - Spot-size converter for optical mode conversion and coupling between two
waveguides - Google Patents US10197734B2 - Spot-size converter for optical mode conversion …

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 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 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 …

(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 …

6,525,682 6,529,150 6,567,436 6,661.361 6,700,517 6,714, 149 6,771,201 7,376,349
7,389,055 7,471,224 7,564,387 7,570, 184 7,671,771 7,826,752 7,847,715 7,867,246 …

(57) ABSTRACT A waveguide type wavelength domain optical Switch includes an
input/output port including at least three waveguide spec trometers stacked in thickness …

(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 …