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Physical Review A

Teleporting a state inside a single bimodal high- Q cavity

Geisa Pires, Ardiley Torres Avelar, B. Baseia, N. G. de Almeida

Published Jun 1, 2005• 33 citations
Publisher

Abstract

We discuss a simplified scheme to teleport a state from one mode to another of the same bimodal cavity, with these two modes having distinct frequencies and orthogonal polarizations. The scheme employs two two-level (Rydberg) atoms plus classical fields (Ramsey zones) and selective atomic state detectors. The result has potential use for the manipulation of quantum information processing.

DOI
10.1103/physreva.71.060301

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We discuss a simplified scheme to teleport a state from one mode to another of the same bimodal cavity, with these two modes having distinct frequencies and orthogonal polarizations. The scheme employs two two-level (Rydberg) atoms plus classical fields (Ramsey zones) and selective atomic state detectors. The result has potential use for the manipulation of quantum information processing.
We present an alternative and experimentally feasible scheme to realize the teleportation of a cavity mode in a coherent superposition of zero-, one-, and two-photon field states. Particular nonmaximally entangled states of two-level atoms and particular cavity modes are employed and their preparation is discussed. A Ramsey-type arrangement, together with pointer atoms, is required to prepare the atomic entangled states as well as to read out the cavity system. Basically, the pointer atoms induce the state-vector collapse of the field in the cavity system and indicate, through their detection, the measurement result. \textcopyright{} 1996 The American Physical Society.