{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["631(8020)"],"submitter":["Sultanov V"],"pubmed_abstract":["Liquid crystals, with their ability to self-assemble, strong response to an electric field and integrability into complex systems, are key materials in light-beam manipulation<sup>1</sup>. The recently discovered ferroelectric nematic liquid crystals<sup>2,3</sup> also have considerable second-order optical nonlinearity, making them a potential material for nonlinear optics<sup>4,5</sup>. Their use as sources of quantum light could considerably extend the boundaries of photonic quantum technologies<sup>6</sup>. However, spontaneous parametric down-conversion, the basic source of entangled photons<sup>7</sup>, heralded single photons<sup>8</sup> and squeezed light<sup>9</sup>, has so far not been observed in liquid crystals-or in any liquids or organic materials. Here we implement spontaneo"],"journal":["Nature"],"pagination":["294-299"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11236711"],"repository":["biostudies-literature"],"pubmed_title":["Tunable entangled photon-pair generation in a liquid crystal."],"pmcid":["PMC11236711"],"pubmed_authors":["Sultanov V","Kokkinakis E","Chekhova MV","Kavcic A","Sebastian N","Humar M"],"additional_accession":[]},"is_claimable":false,"name":"Tunable entangled photon-pair generation in a liquid crystal.","description":"Liquid crystals, with their ability to self-assemble, strong response to an electric field and integrability into complex systems, are key materials in light-beam manipulation<sup>1</sup>. The recently discovered ferroelectric nematic liquid crystals<sup>2,3</sup> also have considerable second-order optical nonlinearity, making them a potential material for nonlinear optics<sup>4,5</sup>. Their use as sources of quantum light could considerably extend the boundaries of photonic quantum technologies<sup>6</sup>. However, spontaneous parametric down-conversion, the basic source of entangled photons<sup>7</sup>, heralded single photons<sup>8</sup> and squeezed light<sup>9</sup>, has so far not been observed in liquid crystals-or in any liquids or organic materials. Here we implement spontaneo","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jul","modification":"2025-04-05T15:49:05.357Z","creation":"2025-04-05T15:49:05.357Z"},"accession":"S-EPMC11236711","cross_references":{"pubmed":["38867054"],"doi":["10.1038/s41586-024-07543-5"]}}