dorsal/arxiv
View SchemaRobust high-fidelity teleportation of an atomic state through the detection of cavity decay
| Authors | Bo Yu, Zheng-Wei Zhou, Yong Zhang, Guo-Yong Xiang, Guang-Can Guo |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0311046 |
| URL | https://arxiv.org/abs/quant-ph/0311046 |
| DOI | 10.1103/PhysRevA.70.014302 |
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.
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"abstract": "We propose a scheme for quantum teleportation of an atomic state based on the\ndetection of cavity decay. The internal state of an atom trapped in a cavity\ncan be disembodiedly transferred to another atom trapped in a distant cavity by\nmeasuring interference of polarized photons through single-photon detectors. In\ncomparison with the original proposal by S. Bose, P.L. Knight, M.B. Plenio, and\nV. Vedral [Phys. Rev. Lett. 83, 5158 (1999)], our protocol of teleportation has\na high fidelity of almost unity, and inherent robustness, such as the\ninsensitivity of fidelity to randomness in the atom\u0027s position, and to\ndetection inefficiency. All these favorable features make the scheme feasible\nwith the current experimental technology.",
"arxiv_id": "quant-ph/0311046",
"authors": [
"Bo Yu",
"Zheng-Wei Zhou",
"Yong Zhang",
"Guo-Yong Xiang",
"Guang-Can Guo"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.70.014302",
"title": "Robust high-fidelity teleportation of an atomic state through the detection of cavity decay",
"url": "https://arxiv.org/abs/quant-ph/0311046"
},
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