ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,044, issued on Oct. 28, was assigned to FUNDACIO INSTITUT DE CIENCIES FOTONIQUES (Barcelona, Spain).
"Quantum phase compensation" was invented by Dario Lago Rivera (Barcelona, Spain), Samuele Grandi (Barcelona, Spain) and Hugues De Riedmatten (Barcelona, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an apparatus for quantum communication in a quantum network configured to create an entangled pair of quantum information carriers comprising a first quantum information carrier and a second quantum information carrier, transmit the first quantum information carrier to a remote device, store the second quantum information ca...