dorsal/arxiv
View SchemaCriteria for Continuous-Variable Quantum Teleportation
| Authors | Samuel L. Braunstein, Christopher A. Fuchs, H. J. Kimble |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9910030 |
| URL | https://arxiv.org/abs/quant-ph/9910030 |
| DOI | 10.1080/09500340008244041 |
Abstract
We derive an experimentally testable criterion for the teleportation of quantum states of continuous variables. This criterion is especially relevant to the recent experiment of Furusawa et al. [Science 282, 706-709 (1998)] where an input-output fidelity of $0.58 \pm 0.02$ was achieved for optical coherent states. Our derivation demonstrates that fidelities greater than 1/2 could not have been achieved through the use of a classical channel alone; quantum entanglement was a crucial ingredient in the experiment.
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"abstract": "We derive an experimentally testable criterion for the teleportation of\nquantum states of continuous variables. This criterion is especially relevant\nto the recent experiment of Furusawa et al. [Science 282, 706-709 (1998)] where\nan input-output fidelity of $0.58 \\pm 0.02$ was achieved for optical coherent\nstates. Our derivation demonstrates that fidelities greater than 1/2 could not\nhave been achieved through the use of a classical channel alone; quantum\nentanglement was a crucial ingredient in the experiment.",
"arxiv_id": "quant-ph/9910030",
"authors": [
"Samuel L. Braunstein",
"Christopher A. Fuchs",
"H. J. Kimble"
],
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"quant-ph"
],
"doi": "10.1080/09500340008244041",
"title": "Criteria for Continuous-Variable Quantum Teleportation",
"url": "https://arxiv.org/abs/quant-ph/9910030"
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