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:
Oct. 06, 2020
Filed:
Aug. 14, 2019
Globalfoundries Inc., Grand Cayman, KY;
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Theodore Letavic, Putnam Valley, NY (US);
Kenneth J. Giewont, Hopewell Junction, NY (US);
Steven M. Shank, Jericho, VT (US);
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Abstract
Structures that include a Bragg grating and methods of fabricating a structure that includes a Bragg grating. Bragg elements are positioned adjacent to a waveguide. The Bragg elements are separated by grooves that alternate with the Bragg elements. A dielectric layer includes portions positioned to close the grooves to define airgaps. The airgaps are respectively arranged between adjacent pairs of the Bragg elements. The Bragg elements may be used to form the Bragg grating.