Phys. Rev. Lett. 95, 240501 (2005) [4 pages]

Experimental Demonstration of Fractional Orbital Angular Momentum Entanglement of Two Photons

Abstract

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S. S. R. Oemrawsingh^*, X. Ma, D. Voigt, A. Aiello, E. R. Eliel, G. W. ’t Hooft^†, and J. P. Woerdman
Huygens Laboratory, Leiden University, Post Office Box 9504, 2300 RA Leiden, The Netherlands

Received 29 April 2005; published 8 December 2005

The singular nature of a noninteger spiral phase plate allows easy manipulation of spatial degrees of freedom of photon states. Using two such devices, we have observed very high-dimensional spatial entanglement of twin photons generated by spontaneous parametric down-conversion.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.95.240501

DOI:

10.1103/PhysRevLett.95.240501

PACS:

03.67.Mn, 42.50.Dv, 42.65.Pc

^*Also at cosine Science & Computing, Niels Bohrweg 11, 2333 CA Leiden, The Netherlands.

^†Also at Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands.

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Phys. Rev. Lett. 95, 240501 (2005) [4 pages]

Experimental Demonstration of Fractional Orbital Angular Momentum Entanglement of Two Photons