Patent ID: 11892680
Assignee: GLOBALFOUNDRIES U.S. INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. A structure comprising:
a substrate; and
an edge coupler including a first waveguide core and a second waveguide core, the first waveguide core positioned in a vertical direction between the second waveguide core and the substrate, the first waveguide core having a first longitudinal axis, the second waveguide core having a second longitudinal axis, and the second longitudinal axis of the second waveguide core slanted at a first angle relative to the first longitudinal axis of the first waveguide core,
wherein the second waveguide core is spaced in the vertical direction above the first waveguide core by a distance in a range of 500 nanometers to 1.5 microns.