Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables

Chin. Phys. Lett.

2003, Vol. 20

Issue (1): 14-17 DOI:

Original Articles

Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables

LI Fu-Li¹;LI Hong-Rong¹;ZHANG Jun-Xiang²;ZHU Shi-Yao³

¹Department of Applied Physics, Xian Jiaotong University, Xi’an 710049 ²Institute of Opto-Electronics, Shanxi University, Taiyuan 030006 ³Department of Physics, Hong Kong Baptist University, Hong Kong

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LI Fu-Li, LI Hong-Rong, ZHANG Jun-Xiang et al 2003 Chin. Phys. Lett. 20 14-17

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Abstract When given an unknown quantum state which may be either a pure or mixed state in the coherent state representation, we show that explicit expressions for the teleported state and its fidelity in the teleportation process (S.L. Braunstein and H. J. Kimble, Phys. Rev. Lett. 80(1998)869) can be obtained without explict expansions for the two-mode squeezed vacuum state and the Bell basis in a specified representation.

Keywords: 03.67.Hk 42.50.-p

Published: 01 January 2003

PACS:	03.67.Hk	(Quantum communication)
	42.50.-p	(Quantum optics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I1/014

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