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11 January 2005 Entanglement transformations in quantum A/D and D/A mappings
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Abstract
We consider the entanglement transformations of the protocols that convert quantum qubit system to continuous variable system and convert it back. Here the quantum D/A conversion protocol maps finite-dimensional input states onto continuous variable states while the quantum A/D conversion protocol maps two mode squeezed state onto entangled state in 2x2 dimensions. Quantum carrier is investigated when pure qubit state interacts with coherent state.
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Xiao-yu Chen, Xiang-Jun Li, Xi-Wu Chen, Ying Jiang, and Jie Cheng "Entanglement transformations in quantum A/D and D/A mappings", Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); https://doi.org/10.1117/12.575079
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