Efficient preparation of multipartite entanglement of atomic ensembles

Feng Zhao

doi:10.1117/12.866066

4 November 2010 Efficient preparation of multipartite entanglement of atomic ensembles

Feng Zhao

Proceedings Volume 7846, Quantum and Nonlinear Optics; 78460L (2010) https://doi.org/10.1117/12.866066
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

We propose an efficient scheme to prepare multipartite entanglement of atomic ensembles trapped in separate cavities. Our scheme has high fidelity even with realistic noise based on the repeat-until-success strategy. By employing the quantum memory of the atomic internal state, the scaling efficiency decreases only with the number of atomic ensembles by a slow polynomial law. Moreover, the atomic ensembles also can function as quantum repeaters, which enable our system to compatible with the current experimental technique for quantum communication using atomic ensembles.

Citation Download Citation

Feng Zhao "Efficient preparation of multipartite entanglement of atomic ensembles", Proc. SPIE 7846, Quantum and Nonlinear Optics, 78460L (4 November 2010); https://doi.org/10.1117/12.866066

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