Abstract

Structures including a grating coupler and methods of fabricating such structures. The structure includes a waveguide core, a bend, and a grating coupler coupled to the waveguide core by the bend. The grating coupler includes grating structures that are positioned with a spaced relationship in a layer stack above the bend.

Date

2021

Authors

Y Bian, AP Jacob, M Rakowski, B Peng

Inventors

Yusheng Bian, Ajey Poovannummoottil Jacob, Michal Rakowski, Bo Peng

Patent_office

US

Patent_number

11002916

Application_number

16682502