Long-distance free-space distribution of quantum entanglement

Science

Volumn 301, Issue 5633, 2003, Pages 621-623

  Aspelmeyer, Markus ^a   Böhm, Hannes R ^a   Gyatso, Tsewang ^a   Jennewein, Thomas ^a   Kaltenbaek, Rainer ^a   Lindenthal, Michael ^a   Molina Terriza, Gabriel ^a   Poppe, Andreas ^a   Resch, Kevin ^a   Taraba, Michael ^a   Ursin, Rupert ^a   Walther, Philip ^a   Zeilinger, Anton ^a  

^a INSTITUT FÜR EXPERIMENTALPHYSIK   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

OPTICAL LINKS; QUANTUM THEORY; SATELLITE LINKS; SIGNAL RECEIVERS;

QUANTUM ENTANGLEMENT;

QUANTUM OPTICS;

PHYSICS; SPACE;

ARTICLE; BELL INEQUALITY; OBSERVER VARIATION; OPTICS; PHOTON; PHYSICAL PHENOMENA; PRIORITY JOURNAL; QUANTUM ENTANGLEMENT; QUANTUM MECHANICS; TELECOMMUNICATION;

EID: 0042992581     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1085593     Document Type: Article

References (27)

1. E. Schrödinger, Naturwissenschaften 23, 807 (1935).
2. D. Bouwmeester, A. Ekert, A. Zeilinger, Eds., The Physics of Quantum Information (Springer-Verlag, Berlin, 2000).
3. P. R. Tapster, J. G. Rarity, P. C. M. Owens, Phys. Rev. Lett. 73, 1923 (1994).
4. W. Tittel, J. Brendel, H. Zbinden, N. Gisin, Phys. Rev. Lett. 81, 3563 (1998).
5. G. Weihs, T. Jennewein, C. Simon, H. Weinfurter, A. Zeilinger, Phys. Rev. Lett. 81, 5039 (1998).
6. E. Waks, A. Zeevi, Y. Yamamoto, Phys. Rev. A 65, 52310 (2002).
7. N. Gisin, G. Ribordy, W. Tittel, H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
8. H.-J. Briegel, W. Dür, J. I. Cirac. P. Zoller, Phys. Rev. Lett. 81, 5932 (1998).
9. H. Horvath et al., J. Geophys. Res. 107, 4386 (2002).
10. W. T. Buttler et al., Phys. Rev. Lett. 81, 3283 (1998).
11. R. J. Hughes, J. E. Nordholt, D. Derkacs, C. G. Peterson. New J. Phys. 4, 43 (2002).
12. C. Kurtsiefer et al., Nature 419, 450 (2002).
13. C. Kurtsiefer, N. Oberparleiter, H. Weinfurter, Phys. Rev. A 64, 23802 (2001).
14. P. G. Kwiat et al., Phys. Rev. Lett. 75, 4337 (1995).
15. The low coupling efficiency is mainly due to large beam diameters and high beam divergence because of small telescope lenses. A more sophisticated design of coupling telescopes can certainly achieve the diffraction-limited optimum.
16. Materials and Methods are available as supporting material on Science Online.
17. Correlation measurements were performed independently from the sine-curve measurements (Fig. 2).
18. J. F. Clauser, M. A. Horne, A. Shimony, R. A. Holt, Phys. Rev. Lett. 23, 880 (1969).
19. J. Bell, Physics 1, 195 (1964).
20. A. K. Ekert, Phys. Rev. Lett. 67, 661 (1991).
21. C. Fuchs, N. Gisin, R. B. Griffiths, C. S. Niu, A. Peres, Phys. Rev. A 56, 1163 (1997).
22. C. H. Bennett, G. Brassard, N. D. Mermin, Phys. Rev. Lett. 68, 557 (1992).
23. T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, A. Zeilinger, Phys. Rev. Lett. 84, 4729 (2000).
24. M. Aspelmeyer et al., "Quantum communications in space," Tech. Rep. under contract 16358/02, European Space Agency, in press.
25. J. E. Nordholt, R. Hughes, G. L. Morgan, C. G. Peterson, C. C. Wipf, Proc. SPIE, 4635, 116 (2002).
26. J. G. Rarity, P. R. Tapster, P. M. Gorman, P. Knight, New J. Phys. 4, 82 (2002).
27. This work was supported by the Austrian Science Foundation (FWF), Sonderforschungsbereich (SFB) 015 "Control and Measurement of Coherent Quantum Systems," the European Commission, Project IST-1999-10033 "Long Distance Photonic Quantum Communication" and by the companies Wien Kanal Abwassertechnologien Ges.m.b.H., Energie AG Oberösterreich, T-systems Austria GmbH (Network Services) and by the City of Vienna. Further funding for team members was provided by the FWF (G.M.-T.), the Austrian Exchange Service ÖAD (T.G.), ARC Seibersdorf research GmbH (H.R.B., A.P.), the Natural Sciences and Engineering Research Council of Canada (K.R.), and the Alexander von Humboldt Foundation (M.A.).