Dispersive Manipulation of Paired Superconducting Qubits

Details Dispersive Manipulation of Paired Superconducting Qubits Dispersive Manipulation of Paired Superconducting Qubits

2003-07-16

arxiv.org/abs/cond-mat/0307393v1

Physics

Condensed Matter

Superconductivity

5 pages, incl. 1 figure

Scientific paper

10.1103/PhysRevA.69.030301

We combine the ideas of qubit encoding and dispersive dynamics to enable robust and easy quantum information processing (QIP) on paired superconducting charge boxes sharing a common bias lead. We establish a decoherence free subspace on these and introduce universal gates by dispersive interaction with a LC resonator and inductive couplings between the encoded qubits. These gates preserve the code space and only require the established local symmetry and the control of the voltage bias.

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