Security of continuous-variable quantum cryptography with Gaussian postselection

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 87, Issue 2, 2013, Pages

  Walk, Nathan ^a,b   Ralph, Timothy C ^a,b   Symul, Thomas ^a,c   Lam, Ping Koy ^a,c  

^a Griffith University   (Australia)

^b UNIVERSITY OF QUEENSLAND   (Australia)

^c AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CONTINUOUS VARIABLES; EAVESDROPPING ATTACKS; GAUSSIAN CHANNELS; GAUSSIANS; KEY LENGTHS; QUANTUM-KEY- DISTRIBUTION PROTOCOL; SECURITY ANALYSIS; SELECTION SCHEME;

DISTILLATION; QUANTUM CRYPTOGRAPHY; SECURITY SYSTEMS; TELECOMMUNICATION;

GAUSSIAN DISTRIBUTION;

EID: 84874518934     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.87.020303     Document Type: Article

References (18)

1. V. Scarani, H. Bechmann-Pasquinucci, N. J. Cerf, M. Dušek, N. Lütkenhaus, and M. Peev, Rev. Mod. Phys. RMPHAT 0034-6861 10.1103/RevModPhys.81.1301 81, 1301 (2009).
2. N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 0034-6861 10.1103/RevModPhys.74.145 74, 145 (2002).
3. N. J. Cerf and P. Grangier, JOSA B JOBPDE 0740-3224 10.1364/JOSAB.24. 000324 24, 324 (2007). (Pubitemid 46421076)
4. C. Silberhorn, T. C. Ralph, N. Lütkenhaus, and G. Leuchs, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.89.167901 89, 167901 (2002).
5. F. Grosshans, N. J. Cerf, P. Grangier, J. Wenger, and R. Tualle-Brouri, Quantum Inf. Comput. 3, 535 (2003).
6. H.-K. Lo and H. F. Chao, Science SCIEAS 0036-8075 10.1126/science.283. 5410.2050 283, 2050 (1999). (Pubitemid 29161817)
7. M. Navascúes, F. Grosshans, and A. Acín, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.97.190502 97, 190502 (2006). (Pubitemid 44747504)
8. R. García-Patrón and N. J. Cerf, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.97.190503 97, 190503 (2006). (Pubitemid 44747503)
9. R. Renner and J. I. Cirac, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.102.110504 102, 110504 (2009).
10. M. Heid and N. Lütkenhaus, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.76.022313 76, 022313 (2007). (Pubitemid 47263117)
11. A. Leverrier, E. Karpov, P. Grangier, and N. J. Cerf, New J. Phys. NJOPFM 1367-2630 10.1088/1367-2630/11/11/115009 11, 115009 (2009).
12. T. C. Ralph and A. P. Lund, in Quantum Communication Measurement and Computing Proceedings of 9th International Conference (American Institute of Physics, Calgary, Canada, 2009), p. 155.
13. G. Xiang, T. C. Ralph, A. P. Lund, N. Walk, and G. J. Pryde, Nat. Photon. 1749-4885 10.1038/nphoton.2010.35 4, 316 (2010).
14. Note that this is the excess noise referred to the input (injected by Eve), as opposed to the quantity T ξ that would be directly measured by Bob at the channel output.
15. See Supplemental Material at http://link.aps.org/supplemental/10.1103/ PhysRevA.87.020303 for more details on calculations.
16. R. Blandino, A. Leverrier, M. Barbieri, J. Etesse, P. Grangier, and R. Tualle-Brouri, Phys. Rev. A 1050-2947 10.1103/PhysRevA.86.012327 86, 012327 (2012).
17. C. Weedbrook, S. Pirandola, R. García-Patrón, N. J. Cerf, T. C. Ralph, J. Shapiro, and S. Lloyd, Rev. Mod. Phys. RMPHAT 0034-6861 10.1103/RevModPhys.84.621 84, 621 (2012).
18. J. Fiurášek and N. J. Cerf, Phys. Rev. A 1050-2947 10.1103/PhysRevA.86.060302 86, 060302 (R) (2012).