US Patent Issued to GlobalFoundries U.S. on April 15 for "Photonic structure with waveguide-to-photodetector coupler oriented along sidewall of a photodetector" (New York Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,297, issued on April 15, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Photonic structure with waveguide-to-photodetector coupler oriented along sidewall of a photodetector" was invented by Yusheng Bian (Ballston Lake, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are embodiments of a photonic structure with at least one tapered coupler positioned laterally adjacent and along the length of a sidewall of a layer, such as a light absorption layer (LAL), of a photodetector to facilitate mode matching. Some embodiments include a vertically oriented photodetector, which is on an insulator layer and has an LAL stacked between bo...