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. 03, 2025
Filed:
Dec. 20, 2022
Applicant:
Globalfoundries U.s. Inc., Malta, NY (US);
Inventor:
Yusheng Bian, Ballston Lake, NY (US);
Assignee:
GlobalFoundries U.S. Inc., Malta, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/13 (2006.01); H10F 30/223 (2025.01); H10F 71/00 (2025.01); H10F 77/122 (2025.01); H10F 77/40 (2025.01);
U.S. Cl.
CPC ...
G02B 6/1228 (2013.01); G02B 6/13 (2013.01); H10F 30/223 (2025.01); H10F 71/1212 (2025.01); H10F 77/122 (2025.01); H10F 77/413 (2025.01);
Abstract
Structures including a photodetector and methods of forming a structure including a photodetector. The structure comprises a photodetector including a pad having a side edge and a light-absorbing layer disposed on the pad. The structure further comprises a waveguide core including a tapered section positioned adjacent to the side edge of the pad and the light-absorbing layer. The tapered section has a width dimension that decreases with decreasing distance from the side edge of the pad.