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High-Dimensional Bell State Analysis for Photon-Atoms Hybrid System |
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| Authors: | He Lingyan Wang Tiejun Wang Chuan |
| Institution: | 1.School of Science, Beijing University of Posts and Telecommunications, Beijing, 100876, China ;2.State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China ;3.State Key Laboratory of Low-Dimensional Quantum Physics, Beijing, 100084, China ; |
| Abstract: | High-dimensional Bell state analysis (HDBSA) has great application potential in the high-capacity quantum communication and quantum information processing. In this paper, we propose a scheme to completely distinguish the 2N-dimensional Bell states of a hybrid system with the help of the nonlinear interaction between the Λ-type atoms and a photon system. We use the unit-probability quantum teleportation with non-maximum entanglement as an example to show the application of HDBSA. Finally, we discuss its possible realization with current experimental techniques. Our HDBSA protocol may pave a new way for high-capacity long-distance quantum communication. |
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