US Patent Issued to INTERNATIONAL BUSINESS MACHINES on Dec. 16 for "Readout-error mitigation for quantum expectation" (New York Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,379, issued on Dec. 16, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Readout-error mitigation for quantum expectation" was invented by Ewout van den Berg (Bronxville, N.Y.), Zlatko Kristev Minev (White Plains, N.Y.) and Paul Kristan Temme (Ossining, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for mitigating readout error for quantum expectation are presented. Calibration component applies first random Pauli gates to qubits at first output of first circuit prior to first readout measurements of the qubits. Estimation component applies second random Pauli gates to qubits at second output of second circuit p...