Jha, A. K., Leach, J., Jack, B., Franke-Arnold, S. , Barnett, S. M. , Boyd, R. W. and Padgett, M. J. (2010) Angular two-photon interference and angular two-qubit states. Physical Review Letters, 104(1), Art. 010501. (doi: 10.1103/PhysRevLett.104.010501)
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Publisher's URL: http://dx.doi.org/10.1103/PhysRevLett.104.010501
Abstract
Using angular-position–orbital-angular-momentum entangled photons, we study angular two-photon interference in a scheme in which entangled photons are made to pass through apertures in the form of double angular slits, and using this scheme, we demonstrate an entangled two-qubit state that is based on the angular-position correlations of entangled photons. The entanglement of the two-qubit state is quantified in terms of concurrence. These results provide an additional means for preparing entangled quantum states for use in quantum information protocols.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Padgett, Professor Miles and Boyd, Professor Robert and Franke-Arnold, Professor Sonja and Leach, Mr Jonathan and Barnett, Professor Stephen and Jack, Mr Barry |
| Authors: | Jha, A. K., Leach, J., Jack, B., Franke-Arnold, S., Barnett, S. M., Boyd, R. W., and Padgett, M. J. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| ISSN (Online): | 1079-7114 |
| Published Online: | 05 January 2010 |
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