Accumulation of entanglement in a continuous variable memory

Physical Review Letters

Volumn 98, Issue 14, 2007, Pages

  Paternostro, M ^a   Kim, M S ^a   Palma, G M ^b  

^a QUEEN'S UNIVERSITY BELFAST   (United Kingdom)

^b UNIVERSITY OF PALERMO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

BINARY CODES; HILBERT SPACES; NETWORK PROTOCOLS;

CONTINUOUS VARIABLE SYSTEMS; VARIABLE MEMORY;

DATA STORAGE EQUIPMENT;

EID: 34047254529     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.98.140504     Document Type: Article

References (25)

1. W. Son, Č. Brukner, and M.S. Kim, Phys. Rev. Lett. 97, 110401 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.97.110401
2. W. Son, Phys. Rev. A 64, 064304 (2001). PLRAAN 1050-2947 10.1103/PhysRevA.64.064304
3. L. Lamata, J.J. García-Ripoll, and J.I. Cirac, Phys. Rev. Lett. 98, 010502 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.98.010502
4. P. Filipowicz, J. Javanainen, and P. Meystre, Phys. Rev. A 34, 3077 (1986). PLRAAN 1050-2947 10.1103/PhysRevA.34.3077
5. S.J.D. Phoenix and S.M. Barnett, J. Mod. Opt. 40, 979 (1993). JMOPEW 0950-0340
6. A. Messina, Eur. Phys. J. D 18, 379 (2002); EPJDF6 1434-6060
7. D.E. Browne and M.B. Plenio, Phys. Rev. A 67, 012325 (2003). PLRAAN 1050-2947 10.1103/PhysRevA.67.012325
8. M. Paternostro, G. Falci, M. Kim, and G.M. Palma, Phys. Rev. B PRBMDO 0163-1829 69, 214502 (2004); 10.1103/PhysRevB.69.214502
9. I. Wilson-Rae and A. Imamoglu, Phys. Rev. B PRBMDO 0163-1829 65, 235311 (2002); 10.1103/PhysRevB.65.235311
10. A. Wallraff, Nature (London) 431, 162 (2004). NATUAS 0028-0836 10.1038/nature02851
11. E.T. Jaynes and F.W. Cummings, Proc. IEEE 51, 89 (1963); IEEPAD 0018-9219
12. B.W. Shore and P.L. Knight, J. Mod. Opt. 40, 1195 (1993). JMOPEW 0950-0340
13. S.J.D. Phoenix and P.L. Knight, Ann. Phys. (N.Y.) 186, 381 (1988). We have [πτj1/2] and [πτj obtained from (21Aj) by taking j. APNYA6 0003-4916 10.1016/0003-4916(88)90006-1
14. J.M. Raimond, M. Brune, and S. Haroche, Rev. Mod. Phys. 73, 565 (2001); RMPHAT 0034-6861 10.1103/RevModPhys.73.565
15. A. Rauschenbeutel, Phys. Rev. Lett. 83, 5166 (1999); PRLTAO 0031-9007 10.1103/PhysRevLett.83.5166
16. P. Bertet, Phys. Rev. Lett. 89, 200402 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.89.200402
17. S.M. Barnett and P.M. Radmore, Methods in Theoretical Quantum Optics (Oxford, New York, 1997).
18. J. Lee, M. Paternostro, M.S. Kim, and S. Bose, Phys. Rev. Lett. 96, 080501 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.96.080501
19. J. Laurat, J. Opt. B JOBOFD 1464-4266 7, S577 (2005) report a mixed two-mode squeezed state of r∼0.6. An equivalent pure state would thus have S∼1.2. 10.1088/1464-4266/7/12/021
20. M. Ueda, N. Imoto, and T. Ogawa, Phys. Rev. A 41, 3891 (1990); PLRAAN 1050-2947 10.1103/PhysRevA.41.3891
21. G.S. Agarwal, Phys. Rev. A 49, 4077 (1994). PLRAAN 1050-2947 10.1103/PhysRevA.49.4077
22. This may recall the scheme by L. Davidovich, Phys. Rev. A 50, R895 (1994), where only the one-photon subspace was considered. PLRAAN 1050-2947 10.1103/PhysRevA.50.R895
23. J. Lee, J. Mod. Opt. 47, 2151 (2000). JMOPEW 0950-0340 10.1080/095003400420012
24. C. Macchiavello and G.M. Palma, Phys. Rev. A 65, 050301(R) (2002); PLRAAN 1050-2947 10.1103/PhysRevA.65.050301
25. V. Giovannetti, J. Phys. A JPHAC5 0305-4470 38, 10989 (2005). 10.1088/0305-4470/38/50/008