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Phys. Rev. A 73, 032339 (2006) [7 pages]

High-dimensional mode analyzers for spatial quantum entanglement

S. S. R. Oemrawsingh, J. A. de Jong, X. Ma, A. Aiello, E. R. Eliel, G. W. 't Hooft, and J. P. Woerdman
Huygens Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands
Received 16 December 2005; published 27 March 2006

By analyzing entangled photon states in terms of high-dimensional spatial mode superpositions, it becomes feasible to expose high-dimensional entanglement, and even the nonlocality of twin photons. To this end, a proper analyzer should be designed that is capable of handling a large number of spatial modes, while still being convenient to use in an experiment. We compare two variants of a high-dimensional spatial mode analyzer on the basis of classical and quantum considerations. These analyzers have been tested in classical optical experiments.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.73.032339
DOI: 10.1103/PhysRevA.73.032339
PACS: 03.67.Mn; 42.50.Dv; 42.40.Eq
  • 03.67.Mn
    Quantum entanglement production, characterization, and manipulation
  • 42.50.Dv
    Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements
  • 42.40.Eq
    Holographic optical elements; holographic gratings
  • YEAR: 2006
KEYWORDS: quantum entanglement, quantum optics

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