A method of forming an optical device includes forming a waveguide mask on a device
precursor. The device precursor includes a waveguide positioned on a base. The method …

Methods, systems, and devices are disclosed for implement ing a fiber-waveguide
evanescent coupling. In one aspect, a device having integrated photonic components …

Awaveguide a core extending along a light propagation and a coupling layer adjacent one
side of the core along the light propagation direction. A gradient index material is adjacent to …

Examples herein relate to multi-layer grating couplers. In particular, implementations herein
relate to multi-layer grating couplers that include a first grating layer, an angle correction …

US7120335B2 - Vertically and laterally confined 3D optical coupler - Google Patents
US7120335B2 - Vertically and laterally confined 3D optical coupler - Google Patents Vertically …

Structures including an edge coupler and a crackstop, as well as methods of forming a
structure including an edge coupler and a crackstop. A waveguide core and a crackstop are …

An optical device for coupling light propagating between a waveguide and an optical
transmission component is provided. The optical device includes a taper portion and a …

(57) ABSTRACT A system includes optical modules. Each module includes a different base
and one or more module waveguides on the base. Module waveguides from different …

In an embodiment of the invention, an optical coupler couples light unidirectionally from
integrated circuit package to an integrated circuit die. The package has a large waveguide …

Structures with waveguides in multiple levels and methods of fabricating a structure that
includes waveguides in multiple levels. A waveguide crossing has a first waveguide and a …