US Patent Issued to NGK INSULATORS on Oct. 7 for "Waveguide device, optical scanning device and optical modulation device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,442, issued on Oct. 7, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Waveguide device, optical scanning device and optical modulation device" was invented by Kentaro Tani (Miyoshi, Japan), Jungo Kondo (Nagoya, Japan), Keiichiro Asai (Nagoya, Japan), Shuhei Higashihara (Nagoya, Japan) and Naoki Fujita (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide device includes: a photonic crystal layer having holes periodically formed in an electro-optical crystal substrate; a line-defect optical waveguide formed in the photonic crystal layer; a first electrode arranged above the electro-optical crystal substrate, the first electr...