Simple unconventional geometric scenario of one-way quantum computation with superconducting qubits inside a cavity

Abstract

We propose a simple unconventional geometric scenario to achieve a kind of nontrivial multi-qubit operations with superconducting charge qubits placed in a microwave cavity. The proposed quantum operations are insensitive not only to the thermal state of cavity mode but also to certain random operation errors, and thus may lead to high-fidelity quantum information processing. Executing the designated quantum operations, a class of highly entangled cluster states may be generated efficiently in the present scalable solid-state system, enabling one to achieve one-way quantum computation.

Accepted version with minor amendments. To appear in Phys. Rev. A

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• Generating spin squeezing states and Greenberger-Horne-Zeilinger entanglement using a hybrid phonon-spin ensemble in diamond
• Tunable interfaces for realizing universal quantum computation with topological qubits
• Physical implementation of topologically decoherence-protected superconducting qubits
• Fast geometric gate operation of superconducting charge qubits in circuit QED
• One-step achievement of robust multipartite Greenberger-Horne-Zeilinger state and controlled-phase gate via Rydberg interaction
• Tunable interaction of superconducting flux qubits in circuit QED
• Simulation of the Majorana equation in circuit QED
• NOON state generation with phonons in acoustic wave resonators assisted by a nitrogen-vacancy-center ensemble
• Non-adiabatic holonomic manipulation of the polariton qubit in circuit QED
• Detecting non-Abelian geometric phase in circuit QED
• Fluxon-based generation of graph states in Josephson qubits