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:
Aug. 16, 2022
Filed:
Feb. 08, 2021
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Alec Hammond, Atlanta, GA (US);
Yusheng Bian, Ballston Lake, NY (US);
Michal Rakowski, Ballston Lake, NY (US);
Won Suk Lee, Malta, NY (US);
Asif J. Chowdhury, Clifton Park, NY (US);
Roderick A. Augur, Saratoga Springs, NY (US);
Abdelsalam Aboketaf, Essex Junction, VT (US);
GlobalFoundries U.S. Inc., Santa Clara, CA (US);
Abstract
Structures for a wavelength-division multiplexing filter and methods of forming a structure for a wavelength-division multiplexing filter. The structure includes a first slab having a first perimeter, a first waveguide core coupled to the first slab, and a plurality of second waveguide cores coupled to the first slab. A second slab is positioned to overlap with the first slab. The second slab includes a second perimeter and openings that are distributed inside the second perimeter. The openings of the second slab penetrate through the second slab.