Abstract

Structures for a grating coupler and methods of fabricating a structure for a grating coupler. The grating coupler includes a first plurality of grating structures and a second plurality of grating structures that alternate with the first plurality of grating structures in an interleaved arrangement. The first plurality of grating structures are composed of a dielectric material or a semiconductor material. The second plurality of grating structures are composed of a tunable material having a refractive index that changes with an applied voltage.

Metadata

publication

US Patent 10,816,872, 2020

year

2020

publication date

2020/10/27

authors

Y Bian, AP Jacob

link

https://patents.google.com/patent/US10816872B1/en

resource_link

https://patentimages.storage.googleapis.com/02/06/c0/0a43e064da7137/US10816872.pdf

inventors

Yusheng Bian, Ajey Poovannummoottil Jacob

patent_office

US

patent_number

10816872

application_number

16516658