Dispersive Manipulation of Paired Superconducting Qubits

Abstract

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.

arXiv comment5 pages, incl. 1 figure

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Cited by in corpus (16)

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• Superconducting Qubits Coupled to Nanoelectromechanical Resonators: An Architecture for Solid-State Quantum Information Processing
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• Correlation-induced suppression of decoherence in capacitively coupled Cooper-pair boxes
• Resonator/zero-Qubit architecture for superconducting qubits
• Entangling two superconducting LC coherent modes via a superconducting flux qubit
• Energetic Suppression of Decoherence in Exchange-Only Quantum Computation
• Effects of low-frequency noise cross-correlations in coupled superconducting qubits
• Always On Non-Nearest-Neighbor Coupling in Scalable Quantum Computing
• Nanomechanical Quantum Memory for Superconducting Qubits
• Full protection of superconducting qubit systems from coupling errors
• A Scalable Architecture for Coherence-Preserving Qubits
• Scalable fault-tolerant quantum computation in DFS blocks
• Integrated photonic qubit quantum computing on a superconducting chip
• Transferring multiqubit entanglement onto memory qubits in a decoherence-free subspace
• Quantum manipulation and simulation using Josephson junction arrays