ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,182, issued on July 29, was assigned to Apple Inc. (Cupertino, Calif.).
"Interference devices for wavelength locking" was invented by Jason S. Pelc (Sunnyvale, Calif.), Mark Alan Arbore (Los Altos, Calif.) and Yi-Kuei Wu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Configurations for a modal interference device used for wavelength locking are disclosed. The modal interference device may be an interference device that includes an input waveguide, an interference waveguide, and an output waveguide. A fundamental mode of light may be launched into the input waveguide and the interference waveguide may receive the fundamental mode an...