DOI: 10.1126/science.288.5473.2024. Step-by-Step Engineered Multiparticle Entanglement

Step-by-Step Engineered Multiparticle Entanglement

10.1126/science.288.5473.2024

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

After quantum particles have interacted, they generally remain in an entangled state and are correlated at a distance by quantum-mechanical links that can be used to transmit and process information in nonclassical ways. This implies programmable sequences of operations to generate and analyze the entanglement of complex systems. We have demonstrated such a procedure for two atoms and a single-photon cavity mode, engineering and analyzing a three-particle entangled state by a succession of controlled steps that address the particles individually. This entangling procedure can, in principle, operate on larger numbers of particles, opening new perspectives for fundamental tests of quantum theory.

Bibliography

Rauschenbeutel, A., Nogues, G., Osnaghi, S., Bertet, P., Brune, M., Raimond, J.-M., & Haroche, S. (2000). Step-by-Step Engineered Multiparticle Entanglement. Science, 288(5473), 2024â2028.

Authors 7

Arno Rauschenbeutel (first)
Gilles Nogues (additional)
Stefano Osnaghi (additional)
Patrice Bertet (additional)
Michel Brune (additional)
Jean-Michel Raimond (additional)
Serge Haroche (additional)

References 33 Referenced 595

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10.1103/PhysRev.47.777
Zeilinger A., Rev. Mod. Phys. 71, S288 (1998). (10.1103/RevModPhys.71.S288) / Rev. Mod. Phys. by Zeilinger A. (1998)
10.1103/PhysRevLett.70.1895
Pan J.-W., et al., Nature 390, 575 (1998). / Nature by Pan J.-W. (1998)
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C. H. Bennett G. Brassard A. Ekert Sci. Am. (October 1992) p. 50. (10.1038/scientificamerican1092-50)
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Pan J. W., Bouwmeester D., Daniell M., Weinfurter H., Zeilinger A., Nature 403, 515 (2000). (10.1038/35000514) / Nature by Pan J. W. (2000)
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10.1103/PhysRevLett.81.3631
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A three–atom-cavity experiment was recently reported [
10.1038/35001526
]. It exhibited atomic energy correlations but did not detect entanglement.
S. Haroche et al. in Laser Spectroscopy 14 R. Blatt J. Eschner D. Leibfried F. Schmidt-Kaler Eds. (World Scientific New York 1999) pp. 140–149.
S. B. Zheng J. Opt. B 1 534 (1999). (10.1088/1464-4266/1/5/307)
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Because the experiment involves three levels for each atom there are 27 detection channels in all. We only give the channels corresponding to the relevant transitions for each atom: e → g for A 1 and A 3 ; g → i for A 2 . The other channels are weakly populated by spurious effects such as spontaneous emission outside C residual thermal photons influence of the R 2 (I) or P 2 pulses on the other atoms and absorption of the cavity field by A 2 as a result of imperfect 2π Rabi rotation. The total contribution of these transfer processes is less than 15%.
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Davidovich L., Zagury N., Brune M., Raimond J. M., Haroche S., Phys. Rev. A 50, R895 (1994). (10.1103/PhysRevA.50.R895) / Phys. Rev. A by Davidovich L. (1994)
Laboratoire Kastler Brossel is a Unité Mixte de Recherche Ecole Normale Supérieure Université Pierre et Marie Curie et CNRS (UMR8552). Supported in part by the European Community and Japan Science and Technology Corporation (International Cooperative Research Project Quantum Entanglement project). We thank P. Goy and M. Gross for help with the microwave technology.

Dates

Type	When
Created	23 years, 1 month ago (July 27, 2002, 5:48 a.m.)
Deposited	1 year, 7 months ago (Jan. 13, 2024, 5:26 a.m.)
Indexed	4 weeks, 1 day ago (Aug. 6, 2025, 9:33 a.m.)
Issued	25 years, 2 months ago (June 16, 2000)
Published	25 years, 2 months ago (June 16, 2000)
Published Print	25 years, 2 months ago (June 16, 2000)

Funders 0

None

BibTeX

@article{Rauschenbeutel_2000, title={Step-by-Step Engineered Multiparticle Entanglement}, volume={288}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.288.5473.2024}, DOI={10.1126/science.288.5473.2024}, number={5473}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Rauschenbeutel, Arno and Nogues, Gilles and Osnaghi, Stefano and Bertet, Patrice and Brune, Michel and Raimond, Jean-Michel and Haroche, Serge}, year={2000}, month=jun, pages={2024–2028} }

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