title: Stabilizer quantum error correction toolbox for superconducting qubits.
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.
authors.affiliation: Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
authors.forename: Simon E
authors.initials: SE
authors.lastname: Nigg
authors.affiliation: Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
authors.forename: S M
authors.initials: SM
authors.lastname: Girvin