US Patent Issued to NTT on June 23 for "Signal detection device, signal detection method, and program" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,695, issued on June 23, was assigned to NTT Inc. (Tokyo).

"Signal detection device, signal detection method, and program" was invented by Koki Shibahara (Musashino, Japan), Takayuki Kobayashi (Musashino, Japan), Fukutaro Hamaoka (Musashino, Japan), Shimpei Shimizu (Musashino, Japan) and Yutaka Miyamoto (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present invention is a signal detection device including a mode demultiplexer configured to convert N (N is a natural number) spatial mode signals including a plurality of higher modes excited in a transmission path fiber into N base modes and output the N basis modes, ...