Patent ID: 11867946
Assignee: POET TECHNOLOGIES, INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. An assembly comprising
a substrate;
an interconnection layer disposed on the substrate,
wherein the interconnection layer comprises at least an interconnection line;

a waveguide on the substrate,
wherein the waveguide comprises a stack of two or more SiON layers,
wherein the two or more SiON layers comprise at least two layers having different indexes of refraction,
wherein the processes to completely form the waveguide are limited to temperatures less than or equal to 400 C;

at least one of
one or more z stops configured for aligning a device to the waveguide in a direction perpendicular to the substrate,
one or more lateral stops configured for fixing positions of the device in one or more directions parallel to the substrate.