US Patent Issued to FUJITSU OPTICAL COMPONENTS on April 15 for "Optical device, substrate optical waveguide element, and optical communication apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,832, issued on April 15, was assigned to FUJITSU OPTICAL COMPONENTS Ltd. (Kawasaki, Japan).

"Optical device, substrate optical waveguide element, and optical communication apparatus" was invented by Jianping Wang (Ota, Japan), Akira Oka (Kawasaki, Japan) and Hoshihiko Toda (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes an input waveguide and an output waveguide. The optical device includes an interference region that includes an input unit optically coupled with the input waveguide, that includes an output unit optically coupled with the output waveguide, and that has a larger waveguide width than a wavegui...