US Patent Issued to NTT on Feb. 24 for "Wavelength cross connect device, and wavelength cross connect method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,323, issued on Feb. 24, was assigned to NTT Inc. (Tokyo).

"Wavelength cross connect device, and wavelength cross connect method" was invented by Masahiro Nakagawa (Musashino, Japan), Hiroki Kawahara (Musashino, Japan) and Takeshi Seki (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength cross connect device includes: a wavelength band switching unit configured to receive wavelength multiplexed signal beams each having been transmitted in multiple bands in optical transmission lines each including one or more optical fibers, the wavelength multiplexed signal beams each including multiplexed optical signals of distinct wavelen...