Phys. Rev. A 72, 052114 (2005) [4 pages]Nonlocality of high-dimensional two-photon orbital angular momentum statesReceived 30 June 2005; published 30 November 2005 We propose an interferometric method to investigate the nonlocality of high-dimensional two-photon orbital angular momentum states generated by spontaneous parametric down conversion. We incorporate two half-integer spiral phase plates and a variable-reflectivity output beam splitter into a Mach-Zehnder interferometer to build an orbital angular momentum analyzer. This setup enables testing the nonlocality of high-dimensional two-photon states by repeated use of the Clauser-Horne-Shimony-Holt inequality. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.052114
DOI:
10.1103/PhysRevA.72.052114
PACS:
03.65.Ud, 03.67.Mn, 42.50.Dv
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