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:
Oct. 14, 2025
Filed:
Mar. 27, 2023
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 6/12 (2006.01); G02B 6/122 (2006.01); G02B 6/125 (2006.01);
U.S. Cl.
CPC ...
G02B 6/12004 (2013.01); G02B 6/1228 (2013.01); G02B 6/125 (2013.01); G02B 2006/12104 (2013.01); G02B 2006/12121 (2013.01);
Abstract
Structures for an edge coupler and methods of forming such structures. The structure comprises a semiconductor substrate, a first waveguide core including a curved section and an end that terminates the curved section, and a second waveguide core including a section disposed adjacent to the curved section of the first waveguide core. The first waveguide core is positioned between the second waveguide core and the semiconductor substrate.