The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice

Einstein–Podolsky–Rosen (EPR) steering is a quantum effect based on quantum entanglement and it is the key resource for building quantum networks because of its useful properties. Based on the criterion for genuine multipartite EPR steering, the genuine quadripartite EPR steering is confirmed and it...

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Autores principales: Shen, Y. R., Chen, T. H., Liang, S. L., Cheng, X. Y., Lv, J. W., Jiang, Y. X., Cheng, L., Yu, Y. B., Jin, G. R., Chen, A. X.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10692164/
https://www.ncbi.nlm.nih.gov/pubmed/38040917
http://dx.doi.org/10.1038/s41598-023-48626-z
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author Shen, Y. R.
Chen, T. H.
Liang, S. L.
Cheng, X. Y.
Lv, J. W.
Jiang, Y. X.
Cheng, L.
Yu, Y. B.
Jin, G. R.
Chen, A. X.
author_facet Shen, Y. R.
Chen, T. H.
Liang, S. L.
Cheng, X. Y.
Lv, J. W.
Jiang, Y. X.
Cheng, L.
Yu, Y. B.
Jin, G. R.
Chen, A. X.
author_sort Shen, Y. R.
collection PubMed
description Einstein–Podolsky–Rosen (EPR) steering is a quantum effect based on quantum entanglement and it is the key resource for building quantum networks because of its useful properties. Based on the criterion for genuine multipartite EPR steering, the genuine quadripartite EPR steering is confirmed and it can be generated by a spontaneous parametric down-conversion cascaded process with two sum-frequency generations in an optical superlattice. This occurs either below the oscillation threshold and without oscillation threshold. The influence of the parameters of cascaded nonlinear process on the quadripartite EPR steering among signal, idler, and two sum-frequency beams are also discussed. Choosing appropriate nonlinear parameters can achieve good quadripartite quantum steering. This scheme of the generation of genuine quadripartite EPR steering has potential applications in quantum communication and computing.
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spelling pubmed-106921642023-12-03 The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice Shen, Y. R. Chen, T. H. Liang, S. L. Cheng, X. Y. Lv, J. W. Jiang, Y. X. Cheng, L. Yu, Y. B. Jin, G. R. Chen, A. X. Sci Rep Article Einstein–Podolsky–Rosen (EPR) steering is a quantum effect based on quantum entanglement and it is the key resource for building quantum networks because of its useful properties. Based on the criterion for genuine multipartite EPR steering, the genuine quadripartite EPR steering is confirmed and it can be generated by a spontaneous parametric down-conversion cascaded process with two sum-frequency generations in an optical superlattice. This occurs either below the oscillation threshold and without oscillation threshold. The influence of the parameters of cascaded nonlinear process on the quadripartite EPR steering among signal, idler, and two sum-frequency beams are also discussed. Choosing appropriate nonlinear parameters can achieve good quadripartite quantum steering. This scheme of the generation of genuine quadripartite EPR steering has potential applications in quantum communication and computing. Nature Publishing Group UK 2023-12-01 /pmc/articles/PMC10692164/ /pubmed/38040917 http://dx.doi.org/10.1038/s41598-023-48626-z Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Shen, Y. R.
Chen, T. H.
Liang, S. L.
Cheng, X. Y.
Lv, J. W.
Jiang, Y. X.
Cheng, L.
Yu, Y. B.
Jin, G. R.
Chen, A. X.
The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title_full The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title_fullStr The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title_full_unstemmed The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title_short The generation of genuine quadripartite Einstein–Podolsky–Rosen steering in an optical superlattice
title_sort generation of genuine quadripartite einstein–podolsky–rosen steering in an optical superlattice
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10692164/
https://www.ncbi.nlm.nih.gov/pubmed/38040917
http://dx.doi.org/10.1038/s41598-023-48626-z
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