Fault tolerant syndrome extraction and decoding in Bacon-Shor quantum error correction

摘要

Systems and methods are provided for quantum error correction. A quantum system includes an array of qubits configured to store an item of quantum information. The array of qubits includes a plurality of data qubits and a plurality of measurement qubits configured to extract a syndrome representing agreement among the plurality of data qubits. The quantum system further includes an integrated circuit comprising validation logic configured to determine if the syndrome is valid, decoding logic configured to determine evaluate the syndrome to determine location of errors within the plurality of data qubits, and an error register configured to store locations of the determined errors.