US Patent Issued to GlobalFoundries U.S. on April 14 for "Thermo-optic phase shifters for a photonics chip" (New York, Vermont Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,937, issued on April 14, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Thermo-optic phase shifters for a photonics chip" was invented by Brian McGowan (Waterbury, Vt.), Ping-Chuan Wang (Hopewell Junction, N.Y.), Michal Rakowski (Ballston Lake, N.Y.), Sujith Chandran (Clifton Park, N.Y.) and Yusheng Bian (Ballston Lake, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Structures for a thermo-optic phase shifter and methods of forming a thermo-optic phase shifter. The structure comprises an interconnect structure including a dielectric layer, a waveguide core on the dielectric layer, and a heater on the dielectric layer. The heater inc...