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

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Title Robust high-fidelity teleportation of an atomic state through the detection of cavity decay
Author Yu, Bo; Zhou, Zheng-Wei; Zhang, Yong; Xiang, Guo-Yong; Guo, Guang-Can
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Year Published 2004
Place of publication Ridge, NY
Publisher American Physical Society
Abstract We propose a scheme for the 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 Bose, Knight, Plenio, and 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.
Peer Reviewed Yes
Published Yes
Publisher URI http://prola.aps.org/
Alternative URI http://dx.doi.org/10.1103/PhysRevA.70.014302
Volume 70
Issue Number 1
Page from 014302-1
Page to 014302-4
ISSN 1050-2947
Date Accessioned 2009-12-03
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Cross discipline
URI http://hdl.handle.net/10072/27370
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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