US Patent Issued to INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS on Sept. 9 for "Optical phase shifter using KTN (KTaNbO3) and manufacturing method thereof" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,368, issued on Sept. 9, was assigned to INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS (Ansan-Si, South Korea).

"Optical phase shifter using KTN (KTaNbO3) and manufacturing method thereof" was invented by Young Hyun Kim (Ansan-si, South Korea) and Seong Ui An (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical phase shifter. The optical phase shifter includes: a silicon substrate; a cladding layer disposed on the silicon substrate; an intermediate film disposed on the cladding layer; a KTN (KTaNbO3) waveguide disposed on the intermediate film; a protective layer disposed on the in...