Using photons to disseminate encryption codes with complete security is one of the great successes of quantum information science. It has now been shown that long-distance cryptographic communication is just as effective when the scheme involves measuring the wave properties of light, rather than its particle properties.
This is a preview of subscription content, access via your institution
Relevant articles
Open Access articles citing this article.
-
Practical challenges in quantum key distribution
npj Quantum Information Open Access 08 November 2016
Access options
Subscribe to this journal
Receive 12 print issues and online access
$209.00 per year
only $17.42 per issue
Rent or buy this article
Prices vary by article type
from$1.95
to$39.95
Prices may be subject to local taxes which are calculated during checkout
References
Bennett, C. H. & Brassard, G. Proc. IEEE Int. Conf. Computers, Systems and Signal Processing 175–179 (IEEE, 1984).
Ralph, T. C. Phys. Rev. A 61, 010303(R) (1999).
Hillery, M. Phys. Rev. A 61, 022309 (2000).
Reid, M. D. Phys. Rev. A 62, 062308 (2000).
Grosshans F. & Grangier, P. Phys. Rev. Lett. 88, 057902 (2002).
Silberhorn, C., Ralph, T. C., Lütkenhaus, N. & Leuchs, G. Phys. Rev. Lett. 89, 167901 (2002).
Jouguet, P., Kunz-Jacques, S., Leverrier, A., Grangier, P. & Diamanti, E. Nature Photon. 10.1038/nphoton.2013.63 (14 April 2013).
Fossier, S. et al. New J. Phys. 11, 045023 (2009).
Dinh Xuan, Q., Zhang, Z. & Voss, P. Opt. Express 17, 24244–24249 (2009).
Jouguet, P., Kunz-Jacques, S., Diamanti, E. & Leverrier, A. Phys. Rev. A 86, 032309 (2012).
Lydersen, L. et al. Nature Photon. 4, 686–689 (2010).
Stucki, D. et al. New J. Phys. 11, 075003 (2009).
Wang, S. et al. Opt. Lett. 37, 1008–1010 (2012).
Liu, Y. et al. Opt. Express 18, 8587–8594 (2010).
Ursin, R. et al. Nature Phys. 3, 481–486 (2007).
Dixon, A. R. et al. Appl. Phys. Lett. 96, 161102 (2010).
Fiurášek, J. & Cerf, N. J. Phys. Rev. A 86, 060302(R) (2012).
Walk, N., Ralph, T. C., Symul, T. & Lam, P. K. Phys. Rev. A 87, 020303(R) (2013).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Lam, P., Ralph, T. Continuous improvement. Nature Photon 7, 350–352 (2013). https://doi.org/10.1038/nphoton.2013.104
Published:
Issue Date:
DOI: https://doi.org/10.1038/nphoton.2013.104
This article is cited by
-
Practical challenges in quantum key distribution
npj Quantum Information (2016)
-
Relativistic quantum correlations in bipartite fermionic states
Pramana (2016)