ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,052, issued on Feb. 3, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Semiconductor optical integrated element" was invented by Yosuke Suzuki (Tokyo) and Koichi Akiyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor optical integrated element according to the present disclosure includes: a first optical amplifier which amplifies a signal beam inputted from a first end surface; a first passive optical waveguide which guides the amplified signal beam toward a direction different from a direction of the optical waveguide; an optical splitter which splits the guided signal beam into a plurality of signal beams; a phase modulat...