Abstract This paper proposes a scheme for the generation of entangled coherent states for two cavity modes. In the scheme a V-type three-level atom is sent through a two-mode cavity filled with a coherent field. After the atom--cavity interaction and detection of the atomic state the cavity modes may evolve to a superposition of two-mode coherent states. As the scheme is based on resonant atom--cavity interaction, the required interaction time is short, which is important in view of the decoherence. Moreover, additional classical pulses are unnecessary before and after the atom--cavity interaction.
Received: 05 August 2007
Revised: 17 October 2007
Accepted manuscript online:
Fund: Project
supported by the National Natural Science Foundation of China (Grant
No 10674025) and the Funds from Fuzhou University.
Cite this article:
Zheng Shi-Biao(郑仕标) Generation of entangled coherent states for two cavity modes via resonant interaction with a V-type three-level atom 2008 Chin. Phys. B 17 2143
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