Scientists experimentally demonstrate a scheme that allows the number of qubits encoded per photon to be varied while keeping the overall quantum information constant. They also propose the inverse 'splitting' process.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 12 print issues and online access
$209.00 per year
only $17.42 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Vitelli, C. et al. Nature Photon. 7, 521–526 10.1038/nphoton.2013.107(2013).
Jeong, H. & Ralph, T. C. in Quantum Information with Continuous Variables of Atoms and Light (Imperial College Press, 2007).
Kwiat, P. G. et al. Phys. Rev. Lett. 75, 4337–4341 (1995).
Barreiro, J. T., Langford, N. K., Peters, N. A. & Kwiat, P. G. Phys. Rev. Lett. 95, 260501 (2005).
Gao, W. B. et al. Nature Phys. 6, 331–335 (2010).
Pan, J. W. et al. Rev. Mod. Phys. 84, 777–838 (2012).
Knill, E., Laflamme, R. & Milburn, G. J. Nature 409, 46–52 (2001).
Pittman, T. B., Jacobs, B. C. & Franson, J. D. Phys. Rev. A 64, 062311 (2001).
Wang, J. et al. Nature Photon. 6, 488–496 (2012).
Nagali, E., Sansoni, L., Marrucci, L., Santamato, E. & Sciarrino, F. Phys. Rev. A 81, 052317 (2010).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Neergaard-Nielsen, J. Two become one. Nature Photon 7, 512–513 (2013). https://doi.org/10.1038/nphoton.2013.169
Published:
Issue Date:
DOI: https://doi.org/10.1038/nphoton.2013.169
