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Fig. 1 Imaging setup to perform a Bell inequality test in images.

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Presentation on theme: "Fig. 1 Imaging setup to perform a Bell inequality test in images."— Presentation transcript:

1 Fig. 1 Imaging setup to perform a Bell inequality test in images.
Imaging setup to perform a Bell inequality test in images. A BBO crystal pumped by an ultraviolet laser is used as a source of entangled photon pairs. The two photons are separated on a beam splitter (BS). An intensified camera triggered by a SPAD is used to acquire ghost images of a phase object placed on the path of the first photon and nonlocally filtered by four different spatial filters that can be displayed on an SLM (SLM 2) placed in the other arm. By being triggered by the SPAD, the camera acquires coincidence images that can be used to perform a Bell test. Paul-Antoine Moreau et al. Sci Adv 2019;5:eaaw2563 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).

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