{"id":10906,"date":"2024-06-29T09:03:59","date_gmt":"2024-06-29T07:03:59","guid":{"rendered":"https:\/\/fermi.univ-tlse3.fr\/?post_type=tribe_events&#038;p=10906"},"modified":"2024-07-01T09:26:13","modified_gmt":"2024-07-01T07:26:13","slug":"the-nanofiber-cold-atom-platform-a-tool-for-studying-light-matter-interaction-and-prospects-for-interfacing-ultracold-molecules-max-schemmer-lcar-seminar-2-07-2024","status":"publish","type":"tribe_events","link":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/the-nanofiber-cold-atom-platform-a-tool-for-studying-light-matter-interaction-and-prospects-for-interfacing-ultracold-molecules-max-schemmer-lcar-seminar-2-07-2024\/","title":{"rendered":"The nanofiber &#8211; cold atom platform: A tool for studying light-matter interaction and prospects for interfacing ultracold molecules. &#8211; (Max Schemmer \/ LCAR \/ Seminar). &#8211; 2\/07\/2024"},"content":{"rendered":"<p><span style=\"font-size: 20px;\"><span style=\"color: #191970;\"><strong>Max Schemmer <\/strong><\/span>Istituto Nazionale di Ottica del Consiglio Nazionale delle Ricerche (CNR-INO), Sesto Fiorentino, Italy<\/span><\/p>\n<p><span style=\"background-color: #cecece;\">Seminar LCAR, 2\/07\/2024, 14H, 3R4, Salle de conf\u00e9rence du b\u00e2timent 3R4<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #191970;\"><strong>Abstract :<\/strong><\/span><br \/>\nThe interaction between light and two-level quantum emitters is a fundamental process in quantum optics. A defining feature of this process is antibunching, i.e., two photons are never detected simultaneously when scattered by a single quantum emitter. This phenomenon is typically explained by the fact that a single two-level quantum emitter can only absorb and emit single photons. In this seminar, I will present a complementary picture supported by two experimental studies <strong>[1,2]<\/strong> that demonstrate that photon antibunching arises from quantum interference between two types of two-photon scattering processes, namely coherent and incoherent scattering.<br \/>\nThese results were obtained with laser-cooled atoms interfaced with a tapered optical fiber, or nanofiber. Interestingly, the nanofiber platform has been recently proposed to interface ultracold molecules <strong>[3]<\/strong>, whose complexity opens up new possibilities in fundamental science. I will briefly introduce the challenges and opportunities of ultracold molecules referring to our work in Florence <strong>[4]<\/strong>. Finally, I will discuss how I envision assembling ultracold molecules using nanofibers.<\/p>\n<p><strong>References:<\/strong><\/p>\n<ul>\n<li><strong>[1]<\/strong> Masters, et al. \u00ab\u00a0Photon Antibunching in Two-Level Quantum Emitters.\u00a0\u00bb Nat. Photonics, 2023.<\/li>\n<li><strong>[2]<\/strong> Cordier*, Schemmer*, et al. \u00ab\u00a0Quantum Interference in Two-Photon Scattering Processes.\u00a0\u00bb PRL, 2023.<\/li>\n<li><strong>[3]<\/strong> M\u00e1rquez-Mijares, et al. \u00ab\u00a0Interfacing Ultracold Molecules with Nanofibers.\u00a0\u00bb Physica Scripta, 2023.<\/li>\n<li><strong>[4]<\/strong> Finelli, et al. 2024, \u201cUltracold LiCr: A New Pathway to Quantum Gases of Paramagnetic Polar Molecules\u201c, PRX Quantum<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p class=\"western\"><code class=\"western\"><div class=\"leaflet-map WPLeafletMap\" style=\"height:300px; width:70%;\"><\/div><script>\nwindow.WPLeafletMapPlugin = window.WPLeafletMapPlugin || [];\nwindow.WPLeafletMapPlugin.push(function WPLeafletMapShortcode() {\/*<script>*\/\nvar baseUrl = atob('aHR0cHM6Ly97c30udGlsZS5vcGVuc3RyZWV0bWFwLm9yZy97en0ve3h9L3t5fS5wbmc=');\nvar base = (!baseUrl && window.MQ) ?\n    window.MQ.mapLayer() : L.tileLayer(baseUrl,\n        L.Util.extend({}, {\n            detectRetina: 0,\n        },\n        {\"subdomains\":\"abc\",\"noWrap\":false,\"maxZoom\":18}        )\n    );\n    var options = L.Util.extend({}, {\n        layers: [base],\n        attributionControl: false\n    },\n    {\"zoomControl\":true,\"scrollWheelZoom\":true,\"doubleClickZoom\":true,\"fitBounds\":true,\"minZoom\":9,\"maxZoom\":18,\"maxBounds\":null,\"attribution\":\"<a href=\\\"http:\\\/\\\/leafletjs.com\\\" title=\\\"Une biblioth\\u00e8que JS pour des cartes interactives\\\">Leaflet<\\\/a>; \\u00a9 <a href=\\\"http:\\\/\\\/www.openstreetmap.org\\\/copyright\\\">OpenStreetMap<\\\/a> contributeurs\"},\n    {});\nwindow.WPLeafletMapPlugin.createMap(options).setView([43.560830727361,1.4672373725804],16);window.WPLeafletMapPlugin.createScale({});});<\/script><\/code><\/p>\n<p class=\"western\"><code class=\"western\"><script>\nwindow.WPLeafletMapPlugin = window.WPLeafletMapPlugin || [];\nwindow.WPLeafletMapPlugin.push(function WPLeafletMarkerShortcode() {\/*<script>*\/\nvar map = window.WPLeafletMapPlugin.getCurrentMap();\nvar group = window.WPLeafletMapPlugin.getCurrentGroup();\nvar marker_options = window.WPLeafletMapPlugin.getIconOptions({});\nvar marker = L.marker(\n    [0,0],\n    marker_options\n);\nvar is_image = map.is_image_map;\n    marker.setLatLng( map.getCenter() );\nif (marker_options.draggable) {\n    marker.on('dragend', function () {\n        var latlng = this.getLatLng();\n        var lat = latlng.lat;\n        var lng = latlng.lng;\n        if (is_image) {\n            console.log('leaflet-marker y=' + lat + ' x=' + lng);\n        } else {\n            console.log('leaflet-marker lat=' + lat + ' lng=' + lng);\n        }\n    });\n}\nmarker.addTo( group );\nmarker.bindPopup(window.WPLeafletMapPlugin.unescape('&lt;strong class=&quot;&quot;&gt;Salle de conf\u00e9rence &lt;\/strong&gt;(- B\u00e2timent 3R4)'));window.WPLeafletMapPlugin.markers.push( marker );\n        });<\/script><\/code><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Max Schemmer , Istituto Nazionale di Ottica del Consiglio Nazionale delle Ricerche (CNR-INO), Sesto Fiorentino, Italy<\/p>\n","protected":false},"author":5,"featured_media":0,"template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[48,309,233],"class_list":["post-10906","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-events","tribe_events_cat-lcar","tribe_events_cat-seminars","cat_events","cat_lcar","cat_seminars"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - 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