Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.80.042319
Title: Scalable quantum information processing with atomic ensembles and flying photons
Authors: Mei, F.
Feng, M. 
Yu, Y.-F.
Zhang, Z.-M. 
Issue Date: 20-Oct-2009
Citation: Mei, F., Feng, M., Yu, Y.-F., Zhang, Z.-M. (2009-10-20). Scalable quantum information processing with atomic ensembles and flying photons. Physical Review A - Atomic, Molecular, and Optical Physics 80 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.80.042319
Abstract: We present a scheme for scalable quantum information processing with atomic ensembles and flying photons. Using the Rydberg blockade, we encode the qubits in the collective atomic states, which could be manipulated fast and easily due to the enhanced interaction in comparison to the single-atom case. We demonstrate that our proposed gating could be applied to generation of two-dimensional cluster states for measurement-based quantum computation. Moreover, the atomic ensembles also function as quantum repeaters useful for long-distance quantum state transfer. We show the possibility of our scheme to work in bad cavity or in weak coupling regime, which could much relax the experimental requirement. The efficient coherent operations on the ensemble qubits enable our scheme to be switchable between quantum computation and quantum communication using atomic ensembles. © 2009 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/97856
ISSN: 10502947
DOI: 10.1103/PhysRevA.80.042319
Appears in Collections:Staff Publications

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