ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,898, issued on Oct. 27, was assigned to Arqit Ltd. (London).
"Wavelength multiplexing for an optical communication system" was invented by Alexander Koehler-Sidki (Cambridgeshire, Great Britain), Ryan Parker (Essex, Great Britain) and Omar Iqbal (Hampshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method including at a transmitter emitting N single-wavelength quantum beams from N faint photon sources; multiplexing the N single-wavelength quantum beams using a first wavelength division multiplexer (WDM) to produce a combined multi-wavelength quantum beam, wherein the combined multi-wavelength quantum beam comprises a ...