Entanglement transformations in quantum A/D and D/A mappings

Xiao-yu Chen; Xiang-Jun Li; Xi-Wu Chen; Ying Jiang; Jie Cheng

doi:10.1117/12.575079

11 January 2005 Entanglement transformations in quantum A/D and D/A mappings

Xiao-yu Chen, Xiang-Jun Li, Xi-Wu Chen, Ying Jiang, Jie Cheng

Proceedings Volume 5631, Quantum Optics and Applications in Computing and Communications II; (2005) https://doi.org/10.1117/12.575079
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

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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