A global infrastructure for exchanging quantum information requires coherent communication over long distances. The demonstration of interference between photons from two unsynchronized sources could bring us a step closer to that goal.
This is a preview of subscription content, log in via an institution to check access.
References
Halder, M. et al. Nature Phys. 3, 692–695 (2007).
Wootters, W. K. & Zurek, W. H. Nature 299, 802–803 (1982).
Bužek, V. & Hillery, M. Phys. Rev. A 54, 1844–1852 (1996).
Kempe, J., Simon, C. & Weihs, G. Phys. Rev. A 62, 032302 (2000).
Briegel, H.-J., Dür, W., Cirac, J. I. & Zoller, P. Phys. Rev. Lett. 81, 5932–5935 (1998).
Żukowski, M., Zeilinger, A., Horne, M. A. & Ekert, A. K. Phys. Rev. Lett. 71, 4287–4290 (1993).
Pan, J.-W., Bouwmeester, D., Weinfurter, H. & Zeilinger, A. Phys. Rev. Lett. 80, 3891–3894 (1998).
Jennewein, T., Weihs, G., Pan, J.-W. & Zeilinger, A. Phys. Rev. Lett. 88, 017903 (2002).
Hong, C. K., Ou, Z. Y. & Mandel, L. Phys. Rev. Lett. 59, 2044 (1987).
Kaltenbaek, R., Blauensteiner, B., Żukowski, M., Aspelmeyer, M. & Zeilinger, A. Phys. Rev. Lett. 96, 240502 (2006).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Weihs, G. Coherence by measurement. Nature Phys 3, 687–688 (2007). https://doi.org/10.1038/nphys737
Issue Date:
DOI: https://doi.org/10.1038/nphys737
- Springer Nature Limited