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Reliable teleportation in trapped ions


We study a method for the implementation of a reliable teleportation protocol (theoretically, 100% of success) of internal states in trapped ions. The generation of the quantum channel (any of four Bell states) may be done respecting technical limitations on individual addressing and without claiming the Lamb-Dicke regime. An adequate Bell analyzer, that transforms unitarily the Bell basis into a completely disentangled one, is considered. Probable sources of error and fidelity estimations of the teleportation process are studied. Finally, we discuss experimental issues, proposing a scenario in which the present scheme could be implemented.

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Received 1st June 2000 and Received in final form 17 August 2000

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Solano, E., Cesar, C., de Matos Filho, R. et al. Reliable teleportation in trapped ions. Eur. Phys. J. D 13, 121–128 (2001).

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  • PACS. 03.67.Hk Quantum communication - 03.65.Bz Foundations, theory of measurement, miscellaneous theories (including Aharonov-Bohm effect, Bell inequalities, Berry's phase) - 42.50.Vk Mechanical effects of light on atoms, molecules, electrons, and ions