US Patent Issued to Fujitsu on Sept. 15 for "Optical waveguide, quantum computing device, and method for manufacturing optical waveguide" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,745, issued on Sept. 15, was assigned to Fujitsu Ltd. (Kawasaki, Japan).

"Optical waveguide, quantum computing device, and method for manufacturing optical waveguide" was invented by Tetsuro Ishiguro (Kawasaki, Japan), Tetsuya Miyatake (Isehara, Japan), Kenichi Kawaguchi (Ebina, Japan), Toshiki Iwai (Atsugi, Japan), Yoshiyasu Doi (Yokohama, Japan) and Shintaro Sato (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide includes a diamond layer including a first surface, a second surface and a diamond layer including a complex defect; a first clad layer in contact with the first surface; a second clad layer in contact wit...