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|Title:||Realistic loophole-free Bell test with atom-photon entanglement|
Terra Cunha, M.
França Santos, M.
|Source:||Teo, C., Araújo, M., Quintino, M.T., Minář, J., Cavalcanti, D., Scarani, V., Terra Cunha, M., França Santos, M. (2013). Realistic loophole-free Bell test with atom-photon entanglement. Nature Communications 4 : -. ScholarBank@NUS Repository. https://doi.org/10.1038/ncomms3104|
|Abstract:||The establishment of nonlocal correlations, guaranteed through the violation of a Bell inequality, is not only important from a fundamental point of view but constitutes the basis for device-independent quantum information technologies. Although several nonlocality tests have been conducted so far, all of them suffered from either locality or detection loopholes. Among the proposals for overcoming these problems are the use of atom-photon entanglement and hybrid photonic measurements (for example, photodetection and homodyning). Recent studies have suggested that the use of atom-photon entanglement can lead to Bell inequality violations with moderate transmission and detection efficiencies. Here we combine these ideas and propose an experimental setup realizing a simple atom-photon entangled state that can be used to obtain nonlocality when considering realistic experimental parameters including detection efficiencies and losses due to required propagation distances. © 2013 Macmillan Publishers Limited. All rights reserved.|
|Source Title:||Nature Communications|
|Appears in Collections:||Staff Publications|
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