{"id":225656,"date":"2025-11-22T09:04:29","date_gmt":"2025-11-22T15:04:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/metasurfaces-etched-into-2d-crystals-boost-nonlinear-optical-effects-at-nanoscale"},"modified":"2025-11-22T09:04:29","modified_gmt":"2025-11-22T15:04:29","slug":"metasurfaces-etched-into-2d-crystals-boost-nonlinear-optical-effects-at-nanoscale","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/metasurfaces-etched-into-2d-crystals-boost-nonlinear-optical-effects-at-nanoscale","title":{"rendered":"Metasurfaces etched into 2D crystals boost nonlinear optical effects at nanoscale"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/metasurfaces-etched-into-2d-crystals-boost-nonlinear-optical-effects-at-nanoscale2.jpg\"><\/a><\/p>\n<p>In January, a team led by Jim Schuck, professor of mechanical engineering at Columbia Engineering, developed a method for creating entangled photon pairs, a critical component of emerging quantum technologies, using a crystalline device <a href=\"https:\/\/www.engineering.columbia.edu\/about\/news\/engineering-quantum-entanglement-nanoscale\" target=\"_blank\">just 3.4 micrometers thick<\/a>.<\/p>\n<p>Now, in a paper published in <a href=\"https:\/\/www.nature.com\/articles\/s41566-025-01781-3\" target=\"_blank\"><i>Nature Photonics<\/i><\/a> in October, Columbia Engineers have shrunk nonlinear platforms with high efficiency down to just 160 nanometers by introducing <a href=\"https:\/\/phys.org\/news\/2024-09-metasurfaces-tiny-tech-big-potential.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">metasurfaces<\/a>: artificial geometries etched into ultrathin crystals that imbue them with new optical properties.<\/p>\n<p>\u201cWe\u2019ve established a successful recipe to pattern ultrathin crystals at the nanoscale to enhance nonlinearity while maintaining their sub-wavelength-thickness,\u201d said corresponding author Chiara Trovatello is currently an assistant professor at Politecnico di Milano and was a Marie Sk\u0142odowska-Curie Global Fellow at Columbia working with Schuck.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In January, a team led by Jim Schuck, professor of mechanical engineering at Columbia Engineering, developed a method for creating entangled photon pairs, a critical component of emerging quantum technologies, using a crystalline device just 3.4 micrometers thick. Now, in a paper published in Nature Photonics in October, Columbia Engineers have shrunk nonlinear platforms with [\u2026]<\/p>\n","protected":false},"author":732,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,4,1617],"tags":[],"class_list":["post-225656","post","type-post","status-publish","format-standard","hentry","category-engineering","category-nanotechnology","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/732"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=225656"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225656\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=225656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=225656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=225656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}