Robust high-fidelity teleportation of an atomic state through the detection of cavity decay

Abstract

We propose a scheme for quantum teleportation of an atomic state based on the detection of cavity decay. The internal state of an atom trapped in a cavity can be disembodiedly transferred to another atom trapped in a distant cavity by measuring interference of polarized photons through single-photon detectors. In comparison with the original proposal by S. Bose, P.L. Knight, M.B. Plenio, and V. Vedral [Phys. Rev. Lett. 83, 5158 (1999)], our protocol of teleportation has a high fidelity of almost unity, and inherent robustness, such as the insensitivity of fidelity to randomness in the atom's position, and to detection inefficiency. All these favorable features make the scheme feasible with the current experimental technology.

6 pages, 5 figures

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Cited by in corpus (6)

• A review on quantum information processing in cavities
• Concentration for unknown atomic entangled states via cavity decay
• Quantum dense coding scheme via cavity decay
• State-independent teleportation of an atomic state between two cavities
• High-fidelity atomic-state teleportation protocol with non-maximally-entangled states
• Nondestructive interaction-free atom-photon controlled-NOT gate