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:
Apr. 01, 2025
Filed:
Sep. 14, 2022
Globalfoundries U.s. Inc., Malta, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Steven M. Shank, Jericho, VT (US);
Judson Holt, Ballston Lake, NY (US);
Michal Rakowski, Ballston Lake, NY (US);
Bartlomiej Jan Pawlak, Leuven, BE;
GlobalFoundries U.S. Inc., Malta, NY (US);
Abstract
Structures including an electro-absorption modulator and methods of forming such structures. The structure comprises a waveguide core including a first tapered section, a second tapered section, and a longitudinal axis. The first tapered section and the second tapered section are aligned along the longitudinal axis. The structure further comprises a first waveguide taper overlapping the first tapered section of the waveguide core, a second waveguide taper overlapping the second tapered section of the waveguide core, and a multiple-layer structure on the waveguide core between the first waveguide taper and the second waveguide taper.