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Proceedings Paper

Entanglement transformations in quantum A/D and D/A mappings
Author(s): Xiao-yu Chen; Xiang-Jun Li; Xi-Wu Chen; Ying Jiang; Jie Cheng
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Paper 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.

Paper Details

Date Published: 11 January 2005
PDF: 9 pages
Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); doi: 10.1117/12.575079
Show Author Affiliations
Xiao-yu Chen, China Institute of Metrology (China)
Xiang-Jun Li, China Institute of Metrology (China)
Xi-Wu Chen, China Institute of Metrology (China)
Ying Jiang, China Institute of Metrology (China)
Jie Cheng, China Institute of Metrology (China)


Published in SPIE Proceedings Vol. 5631:
Quantum Optics and Applications in Computing and Communications II
Guang-Can Guo; Hoi-Kwong Lo; Masahide Sasaki; Songhao Liu, Editor(s)

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