In an example, a coupled system includes a first waveguide, at least one second waveguide,
and an interposer. The first waveguide has a silicon (Si) core having first refractive index n1 …

BACKGROUND This invention relates generally to silicon photonics, and more particularly
relates to silicon waveguides. Interest in the field of silicon photonics is rapidly growing as …

Integrated-optics systems are presented in which an optically active device is optically
coupled with a silicon waveguide via a passive compound-semiconductor waveguide. In a …

Substrate having a major Surface, a first waveguide Segment and a Second waveguide
Segment, and a folded evanescent coupler connecting the first waveguide Segment to the …

Optical coupler apparatus having reduced geometry sensitivity includes spaced apart first
and second main waveguides having a coupling section. In one embodiment, first and …

Beam couplers and splitters are disclosed herein. An example of a beam coupler and splitter
includes a first waveguide having a first waveguide bevel and a bend, the first waveguide …

A method for fabricating selectively coupled optical waveguides on a substrate is disclosed.
Initially, a first layer of waveguide material is deposited on a substrate. The first layer of …

An optical coupler device comprises an optical waveguide having a first edge and an
opposing second edge that extend in a direction substantially parallel to a propagation …

This invention generally relates to optoelectronic inte grated circuits, or photonics chips, and
more specifically, to 15 optical coupling between a waveguide and a photonics chip …

An optical coupler includes a first waveguide including a first multi-mode waveguide section
having a cross-section characterized by a first height and a first width that is greater than the …