Quantum Information Processing

A note on entanglement swapping of atomic states through the photonic Faraday rotation

W. P. Bastos, Wesley Bueno Cardoso, Ardiley Torres Avelar, B. Baseia

Published Oct 20, 2010• 11 citations

Publisher

DOI: 10.1007/s11128-010-0204-z

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We propose an entanglement swapping of atomic states confined by cavities QED using a photonic Faraday rotation. Two schemes are considered in which we use three and four cavities, respectively, plus an additional circularly-polarized photon. After interacting with an atom trapped inside the cavity the system evolves to an entangled atom-photon state. The entanglement swapping is then achieved by a Bell-state measurement upon the entire atom-photon state.

arXiv:1005.1189May 7, 20100 citations