ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,431, issued on Feb. 17, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Photodetectors with a light-absorbing layer at least partially wrapped about a waveguide core" was invented by Zhuojie Wu (Port Chester, N.Y.), Yusheng Bian (Ballston Lake, N.Y.) and Judson R. Holt (Ballston Lake, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Structures including a photodetector and methods of forming a structure including a photodetector. The structure comprises a semiconductor layer comprising a crystalline semiconductor material, a waveguide core including a first sidewall and a second sidewall, and a photodetector including a light-absorbing ...