US Patent Issued to Google on Sept. 8 for "Bayesian quantum circuit fidelity estimation" (California Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,065, issued on Sept. 8, was assigned to Google LLC (Mountain View, Calif.).

"Bayesian quantum circuit fidelity estimation" was invented by Vadim Smelyanskiy (Mountain View, Calif.), Alexander Korotkov (Riverside, Calif.) and Sergio Boixo Castrillo (Rancho Palos Verdes, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems and apparatus for estimating the fidelity of a quantum computing system. In one aspect, a method includes defining one or more random quantum circuits, wherein a noisy experimental implementation of each random quantum circuit is approximated by a depolarizing channel with respective polarization parameter; generat...