Determining the dimensionality of bipartite orbital-angular-momentum entanglement using multi-sector phase masks

Abstract

The Shannon dimensionality of orbital angular momentum (OAM) entanglement produced in spontaneous parametric down-conversion can be probed by using multi-sector phase analysers. We demonstrate a spatial light modulator-based implementation of these analysers, and use it to measure a Schmidt number of about 50.

9 pages, 5 figures

References in corpus (5)

• Purification of Noisy Entanglement and Faithful Teleportation via Noisy Channels
• Experimental high-dimensional two-photon entanglement and violations of generalised Bell inequalities
• Analysis and interpretation of high transverse entanglement in optical parametric down conversion
• Full characterisation of the quantum spiral bandwidth of entangled biphotons
• Shannon dimensionality of quantum channels and its application to photon entanglement

Cited by in corpus (9)

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• Single-shot measurement of the orbital-angular-momentum spectrum of light
• Versatile shaper-assisted discretization of energy-time entangled photons
• Azimuthal entanglement and multichannel Schmidt-type decomposition of non-collinear biphotons
• Angular Schmidt spectrum of entangled photons: derivation of an exact formula and experimental characterization for non-collinear phase matching
• Testing for entanglement with periodic coarse-graining
• Experimental reconstruction of spatial Schmidt modes for a wide-field SU(1,1) interferometer
• Experimental violation of a d-dimensional Bell inequality using energy-time entangled photons
• High efficiency phase flattening based Laguerre-Gauss (LG) spectrometer using variable focus lenses