Deterministic entanglement swapping with an ion-trap quantum computer

Nature Physics

Volumn 4, Issue 11, 2008, Pages 839-842

  Riebe, M ^a   Monz, T ^a   Kim, K ^a,c   Villar, A S ^b,d   Schindler, P ^a   Chwalla, M ^a   Hennrich, M ^a   Blatt, R ^a,b  

^a UNIVERSITY OF INNSBRUCK   (Austria)

^b ERICH SCHMID INSTITUTE OF MATERIALS SCIENCE   (Austria)

^c Bldg 142   (United States)

^d UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

IONS; QUANTUM CRYPTOGRAPHY; QUANTUM OPTICS; QUBITS;

DIRECT INTERACTIONS; ENTANGLED QUANTUM SYSTEMS; ENTANGLEMENT SWAPPING; ION TRAP QUANTUM COMPUTER; ION TRAP SYSTEMS; OF QUANTUM-INFORMATION; QUANTUM PROCESSORS; QUANTUM REPEATERS;

QUANTUM ENTANGLEMENT;

EID: 55549125518     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys1107     Document Type: Article

References (18)

1. Zukowski, M., Zeilinger, A., Horne, M. A. & Ekert, A. K. 'Event-ready-detectors' Bell experiment via entanglement swapping. Phys. Rev. Lett. 71, 4287-4290 (1993).
2. Briegel, H.-J., Dür, W., Cirac, J. I. & Zoller, P. Quantum repeaters: The role of imperfect local operations in quantum communication. Phys. Rev. Lett. 81, 5932-5935 (1998).
3. Kielpinski, D., Monroe, C. & Wineland, D. J. Architecture for a large-scale ion-trap quantum computer. Nature 417, 709-711 (2002).
4. Pan, J.-W., Bouwmeester, D., Weinfurter, H. & Zeilinger, A. Experimental entanglement swapping: Entangling photons that never interacted. Phys. Rev. Lett. 80, 3891-3894 (1998).
5. Halder, M. et al. Entangling independent photons by time measurement. Nature Phys. 3, 692-695 (2007).
6. Moehring, D. L. et al. Entanglement of single-atom quantum bits at a distance. Nature 449, 68-71 (2007).
7. Riebe, M. et al. Deterministic quantum teleportation with atoms. Nature 429, 734-737 (2004).
8. Barrett, M. D. et al. Deterministic quantum teleportation of atomic qubits. Nature 429, 737-739 (2004).
9. Reichle, R. et al. Experimental purification of two-atom entanglement. Nature 443, 838-841 (2006).
10. Schmidt-Kaler, F. et al. How to realize a universal quantum gate with trapped ions. Appl. Phys. B 77, 789-796 (2003).
11. Riebe, M. et al. Process tomography of ion trap quantum gates. Phys. Rev. Lett. 97, 220407 (2006).
12. Roos, C. F. et al. Bell states of atoms with ultralong lifetimes and their tomographic state analysis. Phys. Rev. Lett. 92, 220402 (2004).
13. Wootters, W. K. Entanglement of formation of an arbitrary state of two qubits. Phys. Rev. Lett. 80, 2245-2248 (1998).
14. Clauser, J. F., Horne, M. A., Shimony, A. & Holt, R. A. Proposed experiment to test local hidden-variable theories. Phys. Rev. Lett. 23, 880-884 (1969).
15. Boozer, A. D., Boca, A., Miller, R., Northup, T. E. & Kimble, H. J. Reversible state transfer between light and a single trapped atom. Phys. Rev. Lett. 98, 193601 (2007).
16. Cirac, J. I., Zoller, P., Kimble, H. J. & Mabuchi, H. Quantum state transfer and entanglement distribution among distant nodes in a quantum network. Phys. Rev. Lett. 78, 3221-3224 (1997).
17. Roos, C. F. et al. Control and measurement of three-qubit entangled states. Science 304, 1478-1480 (2004).
18. Hahn, E. L. Spin echoes. Phys. Rev. 80, 580-594 (1950).