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Unravelling Two-Photon High-Dimensional Entanglement

A. Aiello·S. S. R. Oemrawsingh·E. R. Eliel·J. P. Woerdman
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Abstract

We propose an interferometric method to investigate the non-locality 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 non-locality of high-dimensional two-photon states by repeated use of the Clauser-Horne inequality.

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A. Aiello, S. S. R. Oemrawsingh, E. R. Eliel, J. P. Woerdman. 2005-08-04. Unravelling Two-Photon High-Dimensional Entanglement. https://arxiv.org/abs/quant-ph/0503034

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