US Patent Issued to DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY on Sept. 22 for "Programmable photonic circuit" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,997, issued on Sept. 22, was assigned to DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY (Daegu, South Korea) and KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (Daejeon, South Korea).

"Programmable photonic circuit" was invented by Sangyoon Han (Daegu, South Korea) and Kyoungsik Yu (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The provided programmable photonic circuit includes a tunable optical coupler, an optical phase shifter, and a control unit. First and second waveguides are provided in a first section corresponding to each other in the tunable optical coupler, and the tunable optical coupler includes a first a...