ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,124, issued on May 5, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).
"Device for switching optical signal" was invented by Jae Gyu Park (Daejeon, South Korea), Sung Hoon Hong (Daejeon, South Korea) and Soo Jung Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a device for switching an optical signal, the device including a first waveguide constituting an input port and a first output port; and a second waveguide constituting a second output port, wherein the first waveguide is formed of a first material, wherein the second waveguide is formed of the first material and c...