US Patent Issued to Google on Dec. 30 for "Estimating the fidelity of quantum logic gates and quantum circuits" (California Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,572, issued on Dec. 30, was assigned to Google LLC (Mountain View, Calif.).

"Estimating the fidelity of quantum logic gates and quantum circuits" was invented by Sergio Boixo Castrillo (Rancho Palos Verdes, Calif.), Vadim Smelyanskiy (Mountain View, Calif.), Hartmut Neven (Malibu, Calif.) and Alexander Korotkov (Riverside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems and apparatus for estimating the fidelity of quantum logic gates. In one aspect, a method includes defining multiple sets of random quantum circuits; for each set of random quantum circuits: selecting an observable for each element in the set of random quantum ...