US Patent Issued to Fujitsu on Sept. 1 for "Quantum device, quantum computing device, and quantum computing method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,205, issued on Sept. 1, was assigned to Fujitsu Ltd. (Kawasaki, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum device includes: three first optical waveguides to which a quantum bit is coupled; a second optical waveguide; a beam splitter; a first optical switch that is provided to each of the three first optical waveguides and conducts switching be...