ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,304, issued on Aug. 4, was assigned to KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE (Daejeon, South Korea).
"Wavelength conversion device" was invented by In Ho Bae (Daejeon, South Korea) and Dong Hoon Lee (Sejong, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength conversion device includes a nonlinear optical crystal, a guide light source configured to provide a guide light traveling in a first direction within the nonlinear optical crystal such that a thermal waveguide penetrating the nonlinear optical crystal is formed, a signal light source configured to provide a signal light having a first wavelength (Lambda1) and tra...