Stabilizer Quantum Error Correction Toolbox for Superconducting Qubits
Simon E. Nigg, S. M. Girvin
DOI 10.1103/PhysRevLett.110.243604 · Physical Review Letters
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Abstract
We present a general protocol for stabilizer operator measurements in a system of N superconducting qubits. Using the dispersive coupling between the qubits and the field of a resonator as well as single qubit rotations, we show how to encode the parity of an arbitrary subset of M≤N qubits, onto two quasiorthogonal coherent states of the resonator. Together with a fast cavity readout, this enables the efficient measurement of arbitrary stabilizer operators without locality constraints.
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