ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,163, issued on April 22, was assigned to Goertek Inc. (Shandong, China).
"Optical waveguide system and electronic device" was invented by Lingshan Li (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide system and an electronic device are disclosed. The system comprises: a waveguide; an input coupler coupling a light into the waveguide; and an output coupler, wherein the input coupler includes a right portion and a left portion, wherein the right portion includes stacked first and second polarization volume gratings, the left portion includes stacked third and fourth polarization volume gratings. The first and fourth ...