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Chinese Journal of Quantum Electronics

Teleportation of an unknown atomic state in cavity QED

Ma Song-She

Published Jan 1, 2007• 0 citations
OpenAlex

Abstract

A scheme is proposed for teleportation of an unknown atomic state based on the nonresonant interaction of two coupled two-level atoms with a single-mode cavity field.The scheme only requires the cavity field to be in a coherent state.After the interaction between the atoms and the cavity,the cavity is left in a coherent state.By detecting the states of atoms,an unknown atomic state is teleported.The scheme can also be used to teleport an unknown atomic entangled state.

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ACTA PHOTONICA SINICA•Jan 1, 2009•0 citations
A scheme is proposed for teleportation of an unknown atomic state based on the nonresonant interaction of two coupled two-level atoms with a single-mode cavity field.The scheme only requires the cavity field to be in a coherent state.After the interaction between the atoms and the cavity,the cavity is left in a coherent state.By detecting the states of atoms,an unknown atomic state is teleported.The scheme can also be used to teleport an unknown atomic entangled state.
The interaction of V-type three-level atom with two-mode cavity field is described and the interaction formula between atom and cavity field is obtained.An alternative scheme is proposed for teleportation of an unknown atomic-entangled state without the Bell-state measurement.The scheme is based on the resonant interaction of V-type three-level-atom with two-mode cavity field.By means of selective measurement on the atom to be teleported state,it follows that the teleportation of an unknown atomic-entangled state is realized.And the scheme is experimentally feasible based on the current cavity QED technique and the success probability is 1/16.
Time evolution of state vector of the system of V-type three-level-atom interacting with two-mode cavity field is obtained.An alternative scheme is proposed for teleportation of an unknown atomic-entangled state without the Bell-state measurement.The scheme is based on the resonant interaction of V-type three-level-atom with two-mode cavity field.By means of selective measurement on the atom to be teleported state,it follows that the teleportation of an unknown atomic-entangled state is realized.And the scheme is experimentally feasible based on the current cavity QED technique and the success probability is 1/16.