Patent ID: 11971573
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. The photonic device of claim 8, wherein:
the plurality of waveguide core layers includes a first outermost waveguide core layer, a first intermediate waveguide core layer arranged over the first outermost waveguide core layer, the central waveguide core layer arranged over the first intermediate waveguide core layer, a second intermediate waveguide core layer arranged over the central waveguide core layer and a second outermost waveguide core layer arranged over the second intermediate waveguide core layer; and
the first intermediate waveguide core layer is spaced apart from the first outermost waveguide core layer by between 6% and 13%, inclusive, of a distance d, the central waveguide core layer is spaced apart from the first intermediate waveguide core layer by between 12% and 26%, inclusive, of the distance d, the second intermediatefourth waveguide core layer is spaced apart from the first outermost waveguide core layer by between 18% and 39%, inclusive, of the distance d, and the second outermost waveguide core layer is spaced apart from the first outermost waveguide core layer by between 24% and 52%, inclusive, of the distance d.