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:
Jan. 20, 2026
Filed:
Dec. 12, 2022
Applicant:
Globalfoundries U.s. Inc., Malta, NY (US);
Inventors:
Ravi Prakash Srivastava, Clifton Park, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Shesh Mani Pandey, Saratoga Springs, NY (US);
Vibhor Jain, Essex Junction, VT (US);
Assignee:
GlobalFoundries U.S. Inc., Malta, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/136 (2006.01); G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
G02B 6/1228 (2013.01); G02B 6/136 (2013.01); G02B 6/305 (2013.01);
Abstract
Structures for an edge coupler and methods of forming a structure for an edge coupler. The structure comprises a substrate, a dielectric layer over the substrate, and a waveguide core over the substrate. The structure further comprises an airgap that extends at least partially through the dielectric layer and that surrounds a plurality of sides of a portion of the waveguide core.