{"id":72010,"date":"2025-01-30T15:38:22","date_gmt":"2025-01-30T13:38:22","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=72010"},"modified":"2025-02-25T11:45:09","modified_gmt":"2025-02-25T09:45:09","slug":"maximisation-de-lefficacite-electromagnetique-des-emetteurs-terahertz-spintroniques","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/newsletter\/maximisation-de-lefficacite-electromagnetique-des-emetteurs-terahertz-spintroniques.html","title":{"rendered":"Maximisation de l&rsquo;efficacit\u00e9 \u00e9lectromagn\u00e9tique des \u00e9metteurs t\u00e9rahertz spintroniques"},"content":{"rendered":"<div  class='flex_column av-2wo5xtj-fea3e9b7cfb64e774d7c6f7e6914db5c av_one_full  avia-builder-el-0  el_before_av_hr  avia-builder-el-first  first flex_column_div'     ><section  class='av_textblock_section av-swmx9z-fa3e3cd9aca324bd791df9aba61dceb8'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\"><span style=\"color: #de7600;\">\u00a0<\/span><\/h1>\n<h1 style=\"text-align: center;\"><span style=\"color: #ff9900;\">Maximisation de l&rsquo;efficacit\u00e9 \u00e9lectromagn\u00e9tique des \u00e9metteurs t\u00e9rahertz spintroniques<\/span><\/h1>\n<h1 style=\"text-align: center;\"><span class=\"field field--name-title field--type-string field--label-hidden\">\u00a0<\/span><\/h1>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2i9rtef-600472cd3cf2111b2d07a851baaa2b0e\">\n#top .hr.av-2i9rtef-600472cd3cf2111b2d07a851baaa2b0e{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-2i9rtef-600472cd3cf2111b2d07a851baaa2b0e .hr-inner{\nwidth:200;\nmax-width:45%;\n}\n<\/style>\n<div  class='hr av-2i9rtef-600472cd3cf2111b2d07a851baaa2b0e hr-custom  avia-builder-el-2  el_after_av_one_full  el_before_av_one_full  hr-center hr-icon-yes'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><span class='av-seperator-icon' aria-hidden='true' data-av_icon='\ue808' data-av_iconfont='entypo-fontello'><\/span><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-qqiw3u-4739972a6571651ab0bc3328b1389217 av_one_full  avia-builder-el-3  el_after_av_hr  el_before_av_three_fourth  first flex_column_div'     ><section  class='av_textblock_section av-m6jcv6oc-dda5486881b9d3a60facf9c7a0fce985'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-72048 aligncenter\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-1030x201.png\" alt=\"\" width=\"1030\" height=\"201\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-1030x201.png 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-300x59.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-768x150.png 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-1536x300.png 1536w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-2048x400.png 2048w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-18x4.png 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-1500x293.png 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/figure1-705x138.png 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/a><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-243lh4n-2e4572d8cfdaada1730945fe1a025e85\">\n@keyframes av_boxShadowEffect_av-243lh4n-2e4572d8cfdaada1730945fe1a025e85-column {\n0%   { box-shadow:  0 0 0 0 #dbdbdb; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 #dbdbdb; opacity: 1; }\n}\n.flex_column.av-243lh4n-2e4572d8cfdaada1730945fe1a025e85{\nwidth:73.5%;\nbox-shadow: 0 0 10px 0 #dbdbdb;\nborder-radius:15px 15px 15px 15px;\npadding:40px 40px 40px 40px;\nbackground-color:#d8d8d8;\nbackground:linear-gradient( to top, #d8d8d8, #e5e5e5, #ffffff );\n}\n.flex_column.av-243lh4n-2e4572d8cfdaada1730945fe1a025e85 .avia-divider-svg-top{\nborder-radius:15px 15px 0 0;\n}\n.flex_column.av-243lh4n-2e4572d8cfdaada1730945fe1a025e85 .avia-divider-svg-top svg{\nheight:35px;\nwidth:calc(100% + 1.3px);\nfill:#ed9e17;\n}\n<\/style>\n<div  class='flex_column av-243lh4n-2e4572d8cfdaada1730945fe1a025e85 av_three_fourth  avia-builder-el-5  el_after_av_one_full  el_before_av_one_fourth  first av-break-at-tablet flex_column_div av-animated-generic fade-in shadow-not-animated  column-top-margin'     ><div class='avia-divider-svg avia-divider-svg-triangle avia-divider-svg-top avia-svg-original'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\">\n\t<path d=\"M500,98.9L0,6.1V0h1000v6.1L500,98.9z\"\/>\n<\/svg><\/div><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m0zakv6p-368f9103db3846e5ccfff4244fcea564\">\n#top .av_textblock_section.av-m0zakv6p-368f9103db3846e5ccfff4244fcea564 .avia_textblock{\ntext-align:justify;\n}\n<\/style>\n<section  class='av_textblock_section av-m0zakv6p-368f9103db3846e5ccfff4244fcea564'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"introduction\" style=\"text-align: left;\">\n<div class=\"clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item\">\n<div class=\"tex2jax_process\">\n<p><strong><span style=\"color: #333399;\">\u00a0<\/span><\/strong><\/p>\n<p><strong><span style=\"color: #008080;\"><span style=\"color: #ff7b0f;\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mqde7m-a271d0d206916d71f6272c97868fc8fa\">\n.av_font_icon.av-mqde7m-a271d0d206916d71f6272c97868fc8fa{\ncolor:#08080;\nborder-color:#08080;\n}\n.av_font_icon.av-mqde7m-a271d0d206916d71f6272c97868fc8fa .av-icon-char{\nfont-size:25px;\nline-height:25px;\n}\n<\/style>\n<span  class='av_font_icon av-mqde7m-a271d0d206916d71f6272c97868fc8fa avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue885' data-av_iconfont='entypo-fontello' ><\/span><\/span><\/span> <\/span><\/strong><strong>Les \u00e9metteurs spintroniques pour le t\u00e9rahertz (THz)<\/strong> sont des dispositifs exploitant la spintronique pour g\u00e9n\u00e9rer des rayonnements dans la gamme des fr\u00e9quences t\u00e9rahertz (0,1 \u00e0 30 THz). Ces dispositifs repr\u00e9sentent une alternative prometteuse aux sources t\u00e9rahertz conventionnelles gr\u00e2ce \u00e0 leur simplicit\u00e9, leur efficacit\u00e9 et leur compatibilit\u00e9 avec les syst\u00e8mes int\u00e9gr\u00e9s.<br \/>\nDans ces dispositifs r\u00e9alis\u00e9s par l\u2019empilement de couches d\u2019\u00e9paisseurs nanom\u00e9triques, un courant de spin cr\u00e9\u00e9 dans une couche ferromagn\u00e9tique gr\u00e2ce \u00e0 l\u2019excitation par une impulsion laser femtoseconde est inject\u00e9 dans un mat\u00e9riaux non magn\u00e9tique poss\u00e9dant un fort couplage spin-orbite, tel que le platine ou le tungst\u00e8ne. Le courant de spin est converti en un courant de charge oscillant via l&rsquo;effet Hall de spin inverse, g\u00e9n\u00e9rant ainsi un rayonnement \u00e9lectromagn\u00e9tique dans la gamme t\u00e9rahertz, tel que le montre la repr\u00e9sentation sch\u00e9matique <span style=\"text-decoration: underline;\"><em>(Figure a).<br \/>\n<\/em><\/span>Ces \u00e9metteurs pr\u00e9sentent plusieurs avantages : ils sont compacts, robustes, peu co\u00fbteux et fonctionnent \u00e0 temp\u00e9rature ambiante. De plus, leur spectre d&rsquo;\u00e9mission est tr\u00e8s large et ne pr\u00e9sente pas de raies d\u2019absorption notamment dues aux phonons pr\u00e9sentes avec d\u2019autres sources. Les \u00e9metteurs spintroniques pour le t\u00e9rahertz ont des applications dans divers domaines, notamment la spectroscopie, l&rsquo;imagerie, les communications sans fil ultra-rapides ou encore les \u00e9tudes fondamentales de la dynamique des spins.<\/p>\n<p><strong><span style=\"color: #008080;\"><span style=\"color: #ff7b0f;\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mqde7m-2-1d0d03b8c5a91adbbb58737594839f97\">\n.av_font_icon.av-mqde7m-2-1d0d03b8c5a91adbbb58737594839f97{\ncolor:#08080;\nborder-color:#08080;\n}\n.av_font_icon.av-mqde7m-2-1d0d03b8c5a91adbbb58737594839f97 .av-icon-char{\nfont-size:25px;\nline-height:25px;\n}\n<\/style>\n<span  class='av_font_icon av-mqde7m-2-1d0d03b8c5a91adbbb58737594839f97 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue885' data-av_iconfont='entypo-fontello' ><\/span><\/span> <\/span><\/span><\/strong><strong>L\u2019efficacit\u00e9 de la conversion optique en t\u00e9rahertz <\/strong>est en revanche assez faible, ce qui est le principal inconv\u00e9nient qui emp\u00eache une adoption plus large de la technologie THz spintronique. Elle est g\u00e9n\u00e9ralement de l&rsquo;ordre de 10<sup>-5<\/sup>-10<sup>-6<\/sup> par rapport \u00e0 l&rsquo;\u00e9nergie d&rsquo;entr\u00e9e totale, ce qui est inf\u00e9rieur d&rsquo;au moins un \u00e0 deux ordres de grandeur par rapport aux sources THz traditionnelles pomp\u00e9es optiquement. Les STE n\u00e9cessitent invariablement des lasers femtoseconde fonctionnant \u00e0 des niveaux de puissance moyenne de plusieurs watts. L&rsquo;am\u00e9lioration de leur efficacit\u00e9 de conversion est une \u00e9tape critique pour atteindre la comp\u00e9titivit\u00e9 avec les sources THz conventionnelles. Dans ce contexte, <strong>les chercheurs des groupes PHOTONIQUE-THz et AIMAN-FILMS de l\u2019IEMN ont travaill\u00e9 en collaboration avec l\u2019universit\u00e9 technique d\u2019Ostrava (VSB) sur l\u2019am\u00e9lioration du rendement de conversion gr\u00e2ce \u00e0 des structures photoniques<\/strong>.<\/p>\n<p><strong><span style=\"color: #008080;\"><span style=\"color: #ff7b0f;\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mqde7m-1-5bf4b92d725f0ce12367a228080846d8\">\n.av_font_icon.av-mqde7m-1-5bf4b92d725f0ce12367a228080846d8{\ncolor:#08080;\nborder-color:#08080;\n}\n.av_font_icon.av-mqde7m-1-5bf4b92d725f0ce12367a228080846d8 .av-icon-char{\nfont-size:25px;\nline-height:25px;\n}\n<\/style>\n<span  class='av_font_icon av-mqde7m-1-5bf4b92d725f0ce12367a228080846d8 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue885' data-av_iconfont='entypo-fontello' ><\/span><\/span> <\/span><\/span><\/strong><strong>Les cavit\u00e9s photoniques int\u00e9gr\u00e9es<\/strong> de type Fabry-P\u00e9rot sont compos\u00e9es d\u2019un empilement de mat\u00e9riaux d\u2019indices optiques diff\u00e9rents tels que l\u2019oxyde et le nitrure de silicium. Afin de d\u00e9terminer les \u00e9paisseurs et le nombre d\u2019empilements n\u00e9cessaires, nous avons d\u00e9velopp\u00e9 un cadre th\u00e9orique \u00e9lectromagn\u00e9tique qui traite rigoureusement les processus puls\u00e9s d&rsquo;excitation et d&rsquo;\u00e9mission THz dans les \u00e9metteurs spintroniques. Cette approche a permis de concevoir une cavit\u00e9 photonique optimis\u00e9e qui pi\u00e8ge efficacement la quasi-totalit\u00e9 de la puissance spectrale du laser de pompe dans la couche magn\u00e9tique de pompage de spin. Nous avons opt\u00e9 pour des paires de couches di\u00e9lectriques distribu\u00e9es 1D SiO<sub>2<\/sub>\/SiN<sub>x<\/sub> <span style=\"text-decoration: underline;\"><em>(Figure b)<\/em><\/span>, car la structure cristalline photonique r\u00e9sultante ne fait que quelques microns d&rsquo;\u00e9paisseur, ce qui a un impact minimal sur la phase des longueurs d&rsquo;onde THz g\u00e9n\u00e9r\u00e9es et entrave donc tr\u00e8s peu l&rsquo;\u00e9mission THz. Le dispositif dimensionn\u00e9 a \u00e9t\u00e9 r\u00e9alis\u00e9 dans la plateforme CMNF de l\u2019IEMN sur substrat de saphir. L\u2019\u00e9metteur est ici un tri-couche W(2nm)\/FeCoB (1,8nm)\/Pt(2nm). <strong>Par rapport aux \u00e9metteurs THz spintroniques les plus puissants, la cavit\u00e9 permet d&rsquo;am\u00e9liorer de 250 % le champ THz \u00e9mis <\/strong><span style=\"text-decoration: underline;\"><em>(figure c)<\/em><\/span> et, par cons\u00e9quent, d&rsquo;augmenter de <strong>8 dB la puissance \u00e9mise<\/strong>. En parall\u00e8le, avec les chercheurs du laboratoire de physique de l\u2019ENS Paris, nous travaillons \u00e9galement sur <strong>une cavit\u00e9 t\u00e9rahertz qui amplifie \u00e9galement le signal \u00e9mis<\/strong>. Actuellement \u00e0 l\u2019\u00e9tude, la combinaison de ces deux principes devrait permettre aux \u00e9metteurs spintroniques de se rapprocher de <strong>la barri\u00e8re symbolique du milliWatt.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section-elements\" style=\"text-align: left;\">\n<div id=\"person-1008\" class=\"field__item vcard node node--type-personne node--view-mode-block\"><\/div>\n<\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835\">\n@keyframes av_boxShadowEffect_av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835-column {\n0%   { box-shadow:  0 0 0 0 #cecece; opacity: 1; }\n100% { box-shadow:  0 0 20px 0 #cecece; opacity: 1; }\n}\n.flex_column.av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835{\nwidth:20.5%;\nmargin-left:6%;\nbox-shadow: 0 0 20px 0 #cecece;\nborder-radius:20px 20px 20px 20px;\npadding:15px 15px 15px 15px;\nbackground-color:#f2f2f2;\nbackground:linear-gradient( to top, #f2f2f2, #edd4aa, #ffffff );\n}\n.flex_column.av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835 .avia-divider-svg-top{\nborder-radius:20px 20px 0 0;\n}\n.flex_column.av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835 .avia-divider-svg-top svg{\nheight:25px;\nwidth:calc(100% + 1.3px);\nfill:#000000;\n}\n<\/style>\n<div  class='flex_column av-5j0kjb-17306f8ea16cf3d5f7572e4088a7d835 av_one_fourth  avia-builder-el-10  el_after_av_three_fourth  el_before_av_two_third  av-break-at-tablet flex_column_div shadow-not-animated  column-top-margin'     ><div class='avia-divider-svg avia-divider-svg-triangle avia-divider-svg-top avia-svg-original'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\">\n\t<path d=\"M500,98.9L0,6.1V0h1000v6.1L500,98.9z\"\/>\n<\/svg><\/div><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6jduhqy-14f796ec1c2242936a1642046da33530\">\n#top .hr.hr-invisible.av-m6jduhqy-14f796ec1c2242936a1642046da33530{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-m6jduhqy-14f796ec1c2242936a1642046da33530 hr-invisible  avia-builder-el-11  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-10w0uzb-467469d8977281dc0c61b43d734db692\">\n#top .av_textblock_section.av-10w0uzb-467469d8977281dc0c61b43d734db692 .avia_textblock{\nfont-size:13px;\ntext-align:left;\n}\n<\/style>\n<section  class='av_textblock_section av-10w0uzb-467469d8977281dc0c61b43d734db692'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-72053\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-229x300.jpg\" alt=\"\" width=\"139\" height=\"182\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-229x300.jpg 229w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-785x1030.jpg 785w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-768x1008.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-1170x1536.jpg 1170w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-9x12.jpg 9w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-1143x1500.jpg 1143w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities-537x705.jpg 537w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2025\/01\/cover-APR-Pierre-STEcavities.jpg 1428w\" sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/><\/a><\/p>\n<h5><strong><span style=\"text-decoration: underline;\">Articles<\/span>\u00a0<\/strong>:<\/h5>\n<p>Kolej\u00e1k, P., Lezier, G., Vala, D., Mathmann, B., Halaga\u010dka, L., Geln\u00e1rov\u00e1, Z., Dusch, Y., Lampin, J.-F., Tiercelin, N., Postava, K. and Vanwolleghem, M. (2024), <em>\u201cMaximizing the Electromagnetic Efficiency of Spintronic Terahertz Emitters<\/em>\u201d. Adv. Photonics Res., 5: 2400064.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1002\/adpr.202400064\" target=\"_blank\" rel=\"noopener\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rxos2f-a43ee39ef582cb7a1ecea8b3497148cb\">\n.av_font_icon.av-rxos2f-a43ee39ef582cb7a1ecea8b3497148cb{\ncolor:#ed9e17;\nborder-color:#ed9e17;\n}\n.av_font_icon.av-rxos2f-a43ee39ef582cb7a1ecea8b3497148cb .av-icon-char{\nfont-size:24px;\nline-height:24px;\n}\n<\/style>\n<span  class='av_font_icon av-rxos2f-a43ee39ef582cb7a1ecea8b3497148cb avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue889' data-av_iconfont='entypo-fontello' ><\/span><\/span>https:\/\/doi.org\/10.1002\/adpr.202400064<\/a><\/p>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rxos2f-2-d9e274905dbe5d75b981ea6431116a61\">\n.av_font_icon.av-rxos2f-2-d9e274905dbe5d75b981ea6431116a61{\ncolor:#ed9e17;\nborder-color:#ed9e17;\n}\n.av_font_icon.av-rxos2f-2-d9e274905dbe5d75b981ea6431116a61 .av-icon-char{\nfont-size:24px;\nline-height:24px;\n}\n<\/style>\n<span  class='av_font_icon av-rxos2f-2-d9e274905dbe5d75b981ea6431116a61 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue889' data-av_iconfont='entypo-fontello' ><\/span><\/span><a href=\"https:\/\/hal.science\/hal-04753321v1\" target=\"_blank\" rel=\"noopener\">https:\/\/hal.science\/hal-04753321v1<\/a><\/p>\n<p>Mi\u010dica, A. Wright, P. Kolej\u00e1k, G. Lezier, K. Postava, J. Hawecker, A. De Vetter, J. Tignon, J. Mangeney, H. Jaffres, R. Lebrun, N. Tiercelin, M. Vanwolleghem, and S. Dhillon, <em>\u201cSpintronic terahertz emitters with integrated metallic terahertz cavities\u201d.<\/em> Nanophotonics.<\/p>\n<p><a href=\"https:\/\/hal.science\/hal-04509627v1\" target=\"_blank\" rel=\"noopener\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c\">\n.av_font_icon.av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c{\ncolor:#ed9e17;\nborder-color:#ed9e17;\n}\n.av_font_icon.av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c .av-icon-char{\nfont-size:24px;\nline-height:24px;\n}\n<\/style>\n<span  class='av_font_icon av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue889' data-av_iconfont='entypo-fontello' ><\/span><\/span>https:\/\/doi.org\/10.1515\/nanoph-2023-0807<\/a><\/p>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c\">\n.av_font_icon.av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c{\ncolor:#ed9e17;\nborder-color:#ed9e17;\n}\n.av_font_icon.av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c .av-icon-char{\nfont-size:24px;\nline-height:24px;\n}\n<\/style>\n<span  class='av_font_icon av-rxos2f-1-7ab69883942dc5a41d8b100c7239619c avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue889' data-av_iconfont='entypo-fontello' ><\/span><\/span> <a href=\"https:\/\/hal.science\/hal-04509627v1\" target=\"_blank\" rel=\"noopener\">https:\/\/hal.science\/hal-04509627v1<\/a><\/p>\n<hr \/>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rxos2f-1-1-dd52472cbb9018cbeaf968db3d8e0ebb\">\n.av_font_icon.av-rxos2f-1-1-dd52472cbb9018cbeaf968db3d8e0ebb{\ncolor:#ed9e17;\nborder-color:#ed9e17;\n}\n.av_font_icon.av-rxos2f-1-1-dd52472cbb9018cbeaf968db3d8e0ebb .av-icon-char{\nfont-size:24px;\nline-height:24px;\n}\n<\/style>\n<span  class='av_font_icon av-rxos2f-1-1-dd52472cbb9018cbeaf968db3d8e0ebb avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello' ><\/span><\/span> <strong>Contact:<\/strong><\/p>\n<p><a href=\"mailto:Mathias.vanwolleghem@iemn.fr\" target=\"_blank\" rel=\"noopener\">Mathias Vanwolleghem<\/a><br \/>\n<a href=\"mailto:Nicolas.tiercelin@iemn.fr\" target=\"_blank\" rel=\"noopener\">Nicolas Tiercelin<\/a><\/p>\n<div class=\"section-elements\">\n<div id=\"person-1823\" class=\"field__item vcard node node--type-personne node--view-mode-block\">\n<div class=\"section-elements\">\n<div id=\"person-1008\" class=\"field__item vcard node node--type-personne node--view-mode-block\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-pnadxz-79a5356e461c81b91c276ec92ec199b6 av_two_third  avia-builder-el-18  el_after_av_one_fourth  avia-builder-el-last  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-m0w1tcs2-24e2179493fa83b73db7bc6748d641d2'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-70206\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw.jpg\" alt=\"\" width=\"1200\" height=\"100\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw.jpg 1600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-300x25.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-1030x86.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-768x64.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-1536x129.jpg 1536w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-18x2.jpg 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-1500x126.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/logos_eumw-705x59.jpg 705w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<\/div><\/section><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":20,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[297],"tags":[],"class_list":["post-72010","post","type-post","status-publish","format-standard","hentry","category-newsletter"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/72010","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=72010"}],"version-history":[{"count":1,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/72010\/revisions"}],"predecessor-version":[{"id":76303,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/72010\/revisions\/76303"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=72010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=72010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=72010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}