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Abstract: We propose an efficient approach for deterministically generating scalablecluster states with photons. This approach involves unitary transformationsperformed on atoms coupled to optical cavities. Its operation cost scaleslinearly with the number of qubits in the cluster state, and photon qubits areencoded such that single-qubit operations can be easily implemented by usinglinear optics. Robust optical one-way quantum computation can be performedsince cluster states can be stored in atoms and then transferred to photonsthat can be easily operated and measured. Therefore, this proposal could helpperforming robust large-scale optical one-way quantum computation.



Autor: Hefeng Wang, Chui-Ping Yang, Franco Nori

Fuente: https://arxiv.org/







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