ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,594, issued on Oct. 21, was assigned to NEC Corp. (Tokyo).
"Optical waveguide module and manufacturing method of optical waveguide module" was invented by Naoki Kobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In order to achieve an optical transmitter that is reduced in size and price, an optical waveguide module includes a wavelength controller that controls a wavelength of output light output from a light source, and a wavelength locker that receives an input of the output light and outputs an electric signal indicating a relation between a wavelength of the output light and a target wavelength, wherein the wavelength controller an...