{"id":3501,"date":"2026-03-04T08:36:18","date_gmt":"2026-03-04T07:36:18","guid":{"rendered":"https:\/\/iop.fnwi.uva.nl\/cmp\/?page_id=3501"},"modified":"2026-03-05T21:31:26","modified_gmt":"2026-03-05T20:31:26","slug":"optics-of-quantum-materials","status":"publish","type":"page","link":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/optics-of-quantum-materials\/","title":{"rendered":"Optics of Quantum Materials"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3501\" class=\"elementor elementor-3501\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c460a7 elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"4c460a7\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div 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class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eef0bd7\" data-id=\"eef0bd7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7eddc7a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7eddc7a4\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7aabeb54\" data-id=\"7aabeb54\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59504f4e elementor-widget__width-initial elementor-absolute elementor-widget elementor-widget-heading\" data-id=\"59504f4e\" data-element_type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h1 class=\"elementor-heading-title elementor-size-small\">RESEARCH<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c170f3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c170f3\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b63a4a8\" data-id=\"b63a4a8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9587274 elementor-widget elementor-widget-image\" data-id=\"9587274\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/iop.fnwi.uva.nl\/cmp\/wp-content\/uploads\/2026\/03\/bruker-300x273-1.jpg\" title=\"bruker-300&#215;273\" alt=\"bruker-300x273\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-94d986e\" data-id=\"94d986e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99f99a3 elementor-widget elementor-widget-text-editor\" data-id=\"99f99a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><b>Optics of Quantum Materials<\/b><\/p><p>Our lab uses both far-field and near-field spectroscopy to study the electronic properties of materials. The far-field optics lab features a Bruker vertex 80v infrared spectrometer that covers the spectral range between 5 meV and 4.4 eV. This setup is mainly used to perform detailed temperature dependent studies using a dedicated optical cryostat. A recent addition is an 8 Tesla optical magnet, which is directly connected to the vertex 80v.<\/p><p>Unconventional superconductors like cuprates, iron-pnictides and heavy fermion superconductors are examples of emergent states of matter that derive their amazing properties from the collective behaviour of interacting electrons. Our group combines transport experiments, ARPES and optical spectroscopy to provide fundamental insight in the interactions leading to superconducting instabilities. Recently, our focus has shifted to the so-called strange metal phase of the high Tc cuprates using optical and angle-resolved photoemission spectroscopies.<\/p><p>Topological insulators are a new phase of quantum matter that emerges due to topological twists in the band structure of some materials. Discovered in 2008 in a single material, topological phases of matter now appear to be a pervasive feature of nature. The ideas underpinning the field are now applied in a diversity of topics ranging from acoustics to engineering and from electronics to photonics.<\/p><div><span style=\"font-weight: bold;\">Contact<\/span><br \/>Dr. Erik van Heumen, e.vanheumen@uva.nl,\u00a0<span style=\"background-color: #ffffff;\"><a href=\"https:\/\/opticsqm.nl\/\">group website<\/a><\/span><\/div><div>\u00a0<\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f1e318f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f1e318f\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f293936 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f293936\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-32b876d elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"32b876d\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a863e50 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"a863e50\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a38bdf7\" data-id=\"a38bdf7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd54edd elementor-widget elementor-widget-template\" data-id=\"fd54edd\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"footer\" data-elementor-id=\"3791\" class=\"elementor elementor-3791\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-20c1f73c elementor-section-content-top elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"20c1f73c\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-41028f5b\" data-id=\"41028f5b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-476c6186 elementor-widget elementor-widget-spacer\" data-id=\"476c6186\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38a8063f elementor-widget elementor-widget-heading\" data-id=\"38a8063f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Postal Adress<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-221eab6 elementor-widget elementor-widget-text-editor\" data-id=\"221eab6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h6>Van der Waals-Zeeman Instituut<\/h6><h6><span style=\"word-spacing: 0.1em;\">University of Amsterdam<\/span><\/h6><h6><span style=\"word-spacing: 0.1em;\">P.O. 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The far-field optics lab features a Bruker vertex 80v infrared spectrometer that covers the spectral range between 5 meV and 4.4 eV. This setup is mainly used to perform detailed temperature dependent studies using a dedicated [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3505,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":[],"_links":{"self":[{"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/pages\/3501"}],"collection":[{"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/comments?post=3501"}],"version-history":[{"count":8,"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/pages\/3501\/revisions"}],"predecessor-version":[{"id":3823,"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/pages\/3501\/revisions\/3823"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/media\/3505"}],"wp:attachment":[{"href":"https:\/\/iop.fnwi.uva.nl\/cmp\/index.php\/wp-json\/wp\/v2\/media?parent=3501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}