Observation of Rydberg blockade between two atoms

Nature Physics

Volumn 5, Issue 2, 2009, Pages 110-114

  Urban, E ^a   Johnson, T A ^a   Henage, T ^a   Isenhower, L ^a   Yavuz, D D ^a   Walker, T G ^a   Saffman, M ^a  

^a University of Wisconsin Madison   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INTELLIGENT SYSTEMS; MONTE CARLO METHODS; QUANTUM ENTANGLEMENT;

DIPOLAR INTERACTION; DOUBLE EXCITATIONS; EXPERIMENTAL IMPERFECTIONS; OBSERVED PROBABILITIES; QUANTUM PROTOCOLS; RYDBERG INTERACTION; STRONG INTERACTION; THEORETICAL MODELING;

ATOMS;

EID: 59349118482     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys1178     Document Type: Article

References (27)

1. Fulton, T. A. & Dolan, G. J. Observation of single-electron charging effects in small tunnel junctions. Phys. Rev. Lett. 59, 109-112 (1987).
2. Averin, D. V. & Likharev, K. K. Coulomb blockade of single-electron tunneling, and coherent oscillations in small tunnel-junctions., J. Low. Temp. Phys. 62, 345-373 (1986).
3. Ono, K., Austing, D. G., Tokura, Y. & Tarucha, S. Current rectification by Pauli exclusion in a weakly coupled double quantum dot system. Science 297, 1313-1317 (2002).
4. Birnbaum, K. M. et al. Photon blockade in an optical cavity with one trapped atom. Nature 436, 87-90 (2005).
5. Schlosser, N., Reymond, G., Protsenko, I. & Grangier, P. Sub-poissonian loading of single atoms in a microscopic dipole trap. Nature 411, 1024-1027 (2001).
6. Jaksch, D. et al. Fast quantum gates for neutral atoms. Phys. Rev. Lett. 85, 2208-2211 (2000).
7. Lukin, M. D. et al. Dipole blockade and quantum information processing in mesoscopic atomic ensembles. Phys. Rev. Lett. 87, 037901 (2001).
8. Saffman, M. & Walker, T. G. Creating single atom and single photon sources from entangled atomic ensembles. Phys. Rev. A 66, 065403 (2002).
9. Saffman, M. & Walker, T. G. Entangling single- and n-atom qubits for fast quantum state detection and transmission. Phys. Rev. A 72, 042302 (2005).
10. Brion, E., Mouritzen, A. S. & Mølmer, K. Conditional dynamics induced by new configurations for Rydberg dipole-dipole interactions. Phys. Rev. A 76, 022334 (2007).
11. Brion, E., Meilmer, K. & Saffman, M. Quantum computing with collective ensembles of multilevel systems. Phys. Rev. Lett. 99, 260501 (2007).
12. Raimond, J. M., Vitrant, G. & Haroche, S. Spectral line broadening due to the interaction between very excited atoms: 'the dense Rydberg gas'. J. Phys. B 14, L655-L660 (1981).
13. Tong, D. et al. Local blockade of Rydberg excitation in an ultracold gas. Phys. Rev. Lett. 93, 063001 (2004).
14. Singer, K., Reetz-Lamour, M., Amthor, T., Marcassa, L. G. & Weidemüller, M. Suppression of excitation and spectral broadening induced by interactions in a cold gas of Rydberg atoms. Phys. Rev. Lett. 93, 163001 (2004).
15. Liebisch, T. C., Reinhard, A., Berman, P. R. & Raithel, G. Atom counting statistics in ensembles of interacting Rydberg atoms. Phys. Rev. Lett. 95 253002 (2005); erratum 98, 109903 (2007).
16. Vogt, T. et al. Dipole blockade at Förster resonances in high resolution laser excitation of Rydberg states of cesium atoms. Phys. Rev. Lett. 97, 083003 (2006).
17. Bohlouli-Zanjani, P., Petrus, J. A. & Martin, J. D. D. Enhancement of Rydberg atom interactions using ac stark shifts. Phys. Rev. Lett. 98, 203005 (2007).
18. Heidemann, R. et al. Evidence for coherent collective Rydberg excitation in the strong blockade regime. Phys. Rev. Lett. 99, 163601 (2007).
19. Yavuz, D. D. et al. Fast ground state manipulation of neutral atoms in microscopic optical traps. Phys. Rev. Lett. 96, 063001 (2006).
20. Johnson, T. A. et al. Rabi oscillations between ground and Rydberg states with dipole-dipole atomic interactions. Phys. Rev. Lett. 100, 113003 (2008).
21. Mandel, O. et al. Controlled collisions for multiparticle entanglement of optically trapped atoms. Nature 425, 937-940 (2003).
22. Anderlini, M. et al. Controlled exchange interaction between pairs of neutral atoms in an optical lattice. Nature 448, 452-456 (2007).
23. Gallagher, T. F. Rydberg Atoms (Cambridge Univ. Press, 1994).
24. Saffman, M. & Walker, T. G. Analysis of a quantum logic device based on dipole-dipole interactions of optically trapped Rydberg atoms. Phys. Rev. A 72, 022347 (2005).
25. Förster, T. Zwischenmolekulare Energiewanderung und Fluoreszenz. Ann. d. Physik 437, 55-75 (1948).
26. Walker, T. G. & Saffman, M. Consequences of Zeeman degeneracy for the van der Waals blockade between Rydberg atoms. Phys. Rev. A 77, 032723 (2008).
27. Gaütan, A. et al. Observation of collective excitation of two individual atoms in the Rydberg blockade regime. Natue Phys. 5, doi:10.1038/nphys1183.