AbstractThe proposals on entanglement diversion and quantum teleportation of entangled coherent states are presented.In these proposals, the entanglement between two coherent states, $|\alpha\rangle$ and $|-\alpha\rangle$, with the same amplitude but a phase difference of $\pi$ is utilized as a quantum channel. The processes of the entanglement diversion and the teleportation are achieved by using the 50/50 symmetric beam splitters, the phase shifters and the photodetectors with the help of classical information.
Received: 12 October 2005
Revised: 11 November 2005
Accepted manuscript online:
Fund: Project supported by the Science Research Foundation of Hunan Provincial Education Department, China (Grant No 02C098) and the Science Research Foundation of Hunan University of Arts and Science, China (Grant No JJZD0502).
Cite this article:
Cai Xin-Hua (蔡新华), Guo Jie-Rong (郭杰荣), Nie Jian-Jun (聂建军), Jia Jin-Ping (贾金平) Entanglement diversion and quantum teleportation of entangled coherent states 2006 Chinese Physics 15 488
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