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:
Jun. 24, 2025
Filed:
Jan. 04, 2023
Globalfoundries U.s. Inc., Malta, NY (US);
Bartlomiej Jan Pawlak, Leuven, BE;
Oscar D. Restrepo, Halfmoon, NY (US);
Koushik Ramachandran, Wappingers Falls, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Eduardo Cruz Silva, Watervliet, NY (US);
GlobalFoundries U.S. Inc., Malta, NY (US);
Abstract
Structures including an edge coupler and methods of forming such structures. The structure comprises a dielectric layer on a semiconductor substrate. The dielectric layer includes a cavity and an edge defining a boundary of the cavity. The structure further comprises an edge coupler including a waveguide core. The waveguide core includes a portion that extends past the edge of the dielectric layer and overhangs the cavity. The structure further comprises a heater positioned adjacent to the portion of the waveguide core. The heater is spaced by a gap from the portion of the waveguide core.