ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,977, issued on Oct. 14, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Dual-layer edge couplers with curved coupling-assistance features" was invented by Yusheng Bian (Ballston Lake, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 an...