The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2021
Filed:
Nov. 13, 2019
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Yusheng Bian, Ballston Lake, NY (US);
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Michal Rakowski, Ballston Spa, NY (US);
Bo Peng, Wappingers Falls, NY (US);
Assignee:
GLOBALFOUNDRIES U.S. INC., Santa Clara, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
G02B 6/34 (2013.01);
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.