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. 04, 2022
Filed:
Apr. 27, 2020
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Yusheng Bian, Ballston Lake, NY (US);
Roderick A. Augur, Saratoga Springs, NY (US);
Michal Rakowski, Ballston Spa, NY (US);
Kenneth J. Giewont, Hopewell Junction, NY (US);
Karen Nummy, Newburgh, NY (US);
Kevin K. Dezfulian, Arlington, VA (US);
Bo Peng, Wappingers Falls, NY (US);
Globalfoundries U.S. Inc., Santa Clara, CA (US);
Abstract
Structures including an edge coupler and methods of fabricating a structure including an edge coupler. The edge coupler includes a waveguide core, and a shaped layer is positioned over a portion of the waveguide core. The waveguide core is comprised of a first material, and the shaped layer is comprised of a second material different in composition from the first material. The first material may be, for example, single-crystal silicon, and the second material may be, for example, silicon nitride.