{"id":26174,"date":"2018-10-18T11:14:01","date_gmt":"2018-10-18T09:14:01","guid":{"rendered":"https:\/\/www.iemn.fr\/?page_id=26174"},"modified":"2024-09-12T10:17:56","modified_gmt":"2024-09-12T08:17:56","slug":"research","status":"publish","type":"page","link":"https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz\/research","title":{"rendered":"Research areas"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_submenu  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_46_1n3cf9vgmiokx\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"bgposition:50% 50%;duration:6000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/10\/sliders_groupe_photonique-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;background-position:0% 0%;background-repeat:no-repeat;mix-blend-mode:normal;top:231px;left:0px;height:30px;width:400px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-user-circle\" style=\"color:#f2f2f2;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>GROUPE DE RECHERCHE : PHOTONIQUE THz<\/ls-layer><\/div><\/div><\/div>\n<div id='sub_menu1'  class='av-submenu-container av-jrqfadqy-ce2f2ab09b07c9cd48b0b2cdd423b7d9 footer_color  avia-builder-el-1  el_after_av_layerslider  el_before_av_heading  submenu-not-first container_wrap sidebar_right' style='z-index:301' ><div class='container av-menu-mobile-disabled av-submenu-pos-left'><ul id='av-custom-submenu-1' class='av-subnav-menu' role='menu'>\n<li class='menu-item av-2p4nbzy-510606224ea3d0bb54c6264b5cab4f17 menu-item-top-level menu-item-top-level-1' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Introduction<\/span><\/a><\/li>\n<li class='menu-item av-tjnsu-864b05b9fc37d9fecaaacb2fe6660776 menu-item-top-level menu-item-top-level-2' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz\/members'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Members<\/span><\/a><\/li>\n<li class='menu-item av-1otx5ha-6a292be5de03dc61936e4ec49ae57535 menu-item-top-level menu-item-top-level-3' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz\/research'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Research areas<\/span><\/a><\/li>\n<li class='menu-item av-19fiaym-6ce07ec389b836b09f6f24fe9e8d7095 menu-item-top-level menu-item-top-level-4' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz\/projets'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Projects<\/span><\/a><\/li>\n<li class='menu-item av-2p4nbzy-1-98024bc618a32c91faf102530250080f menu-item-top-level menu-item-top-level-5' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes\/photonique-thz'  target=\"_blank\"  rel=\"noopener noreferrer\" ><span class='avia-bullet'><\/span><span class='avia-menu-text'>News<\/span><\/a><\/li>\n<li class='menu-item av-tzwl8e-62c5d5cb31dd933a1e529f7829769bd8 menu-item-top-level menu-item-top-level-6' role='menuitem'><a href='https:\/\/www.iemn.fr\/en\/la-recherche\/les-groupes'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Other groups<\/span><\/a><\/li>\n<\/ul><\/div><\/div><div id='after_submenu_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-26174'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jrvxcbor-92f56c68d5a4cba351028a6bc8ba6ab2\">\n#top .av-special-heading.av-jrvxcbor-92f56c68d5a4cba351028a6bc8ba6ab2{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-jrvxcbor-92f56c68d5a4cba351028a6bc8ba6ab2 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-jrvxcbor-92f56c68d5a4cba351028a6bc8ba6ab2 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-jrvxcbor-92f56c68d5a4cba351028a6bc8ba6ab2 av-special-heading-h2  avia-builder-el-2  el_after_av_submenu  el_before_av_one_full  avia-builder-el-first  av-linked-heading'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Groupe Photonique THz : des composants aux Applications<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='flex_column av-mokkda-f8015fcded74148ea9419582f3c5e890 av_one_full  avia-builder-el-3  el_after_av_heading  el_before_av_textblock  first flex_column_div'     ><section  class='av_textblock_section av-lz14qyzp-4222849cc26425d3f41f4d79d23f1384'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h6>Les activit\u00e9s de recherche de l\u2019\u00e9quipe Photonique THz portent principalement sur le d\u00e9veloppement de composants et syst\u00e8mes fonctionnant aux fr\u00e9quences moyen infrarouge (MIR) et THz utilisant \u00e0 la fois les techniques de la photonique et de l\u2019\u00e9lectronique. Ces activit\u00e9s se d\u00e9composent en 6 grandes th\u00e9matiques qui recouvrent des domaines tr\u00e8s vari\u00e9s au niveau scientifique et technique, du mat\u00e9riau au syst\u00e8me, mais aussi couvrant plusieurs degr\u00e9s de maturit\u00e9 technologique puisqu\u2019ils couvrent des TRL de 1 \u00e0 6<\/h6>\n<\/div><\/section><\/div>\n<section  class='av_textblock_section av-m0xt1uwd-012f686df7b828e3c09474098da90ca0'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-70465 size-large\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-1030x772.png\" alt=\"\" width=\"1030\" height=\"772\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-1030x772.png 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-300x225.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-768x576.png 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-1536x1152.png 1536w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-2048x1536.png 2048w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-16x12.png 16w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-1500x1125.png 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/ACTIVITESDERECHERCHE-705x529.png 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/a>dfhfghfhjhjgjghj<\/p>\n<\/div><\/section>\n<div  class='flex_column av-lz13twmn-2ad92a272f56ef0c9c3615950effa372 av_four_fifth  avia-builder-el-6  el_after_av_textblock  el_before_av_one_fifth  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-lz13uvom-6d9d213f663d3273aef311a4209e0c12'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4><strong><em>Telecom UHD THz: composants, syst\u00e8mes et instrumentation de tests<\/em><\/strong>.<\/h4>\n<p>Cette th\u00e9matique vise \u00e0 contribuer aux d\u00e9veloppements scientifiques pour les futurs syst\u00e8mes de communications ultra-haut d\u00e9bits (UHD). Elle tire parti des gammes de fr\u00e9quences millim\u00e9triques et sub-THz (140-350 GHz) en d\u00e9veloppant et caract\u00e9risant les composants de ces futurs syst\u00e8mes dans une perspective applicative qui rend n\u00e9cessaire leur qualification comme partie d\u2019un syst\u00e8me complet. Un fait marquant sur la p\u00e9riode a \u00e9t\u00e9 la d\u00e9monstration d\u2019un lien THz bi-directionnel lors du projet Europ\u00e9en THOR, dans lequel l\u2019\u00e9quipe photonique THz a \u00e9t\u00e9 responsable du test \u00e0 l\u2019IEMN du d\u00e9monstrateur final avant d\u00e9monstration sur le terrain (<a href=\"https:\/\/www.youtube.com\/watch?v=vEBfRHZGSyc\">https:\/\/www.youtube.com\/watch?v=vEBfRHZGSyc<\/a>)<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-q3gfmm-845ebcf1dd083bd7173a140a97585b86 av_one_fifth  avia-builder-el-8  el_after_av_four_fifth  el_before_av_hr  flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-lz13wol2-0aa06a097df82aac84efd13f181ce49e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_69418\" style=\"width: 138px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-69418\" class=\"wp-image-69418\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain-211x300.png\" alt=\"\" width=\"128\" height=\"182\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain-211x300.png 211w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain-8x12.png 8w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain-495x705.png 495w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Cassegrain.png 697w\" sizes=\"auto, (max-width: 128px) 100vw, 128px\" \/><\/a><p id=\"caption-attachment-69418\" class=\"wp-caption-text\">Antenne Cassegrain pour communication sans fil \u00e0 300 GHz sur une distance de 650m<\/p><\/div>\n<\/div><\/section><\/div>\n<div  class='hr av-241q36m-12a1340168c122a1281a0e48f435e2af hr-default  avia-builder-el-10  el_after_av_one_fifth  el_before_av_three_fourth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-1aekqhq-ba7ad09c522be25c5e8f44064d632149 av_three_fourth  avia-builder-el-11  el_after_av_hr  el_before_av_one_fourth  first flex_column_div'     ><section  class='av_textblock_section av-lz149jdt-51ed7c91e64fd3633dfa92b37b1ac2b1'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong><em>D\u00e9veloppement de composants opto\u00e9lectroniques proche IR (0.8-1.55\u00b5m) ultrarapides pour la g\u00e9n\u00e9ration et l\u2019analyse de signaux THz large bande. <\/em><\/strong><\/h3>\n<p>Ces composants permettent de faire le pont entre des sources lasers toujours plus compactes, efficaces\u00a0et stables avec les ondes RF&amp;THz permettant d\u2019imaginer des sources et des d\u00e9tecteurs THz ultra-large bande (&gt;1\u00a0:10) inaccessibles par voie \u00e9lectronique. Dans la p\u00e9riode r\u00e9cente, nous avons d\u00e9velopp\u00e9 un photoconducteur fonctionnant aux longueurs d\u2019ondes t\u00e9l\u00e9com bas\u00e9 sur une microcavit\u00e9 plasmonique permettant la d\u00e9tection d\u2019onde THz par m\u00e9lange h\u00e9t\u00e9rodyne avec une efficacit\u00e9 100 fois sup\u00e9rieure \u00e0 l\u2019\u00e9tat de l\u2019art <a href=\"https:\/\/hal.science\/hal-04268627\/\">[APLPhot23]<\/a>.<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-szepum-c4bb76aa869f1272282c52e1e20e0b88 av_one_fourth  avia-builder-el-13  el_after_av_three_fourth  el_before_av_hr  flex_column_div'     ><section  class='av_textblock_section av-lz15vxnb-f60765e5e9e311c3bfa4eb0b4af7cd65'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_69659\" style=\"width: 730px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-69659\" class=\"wp-image-69659 size-full\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers.png\" alt=\"\" width=\"720\" height=\"439\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers.png 720w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers-300x183.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers-18x12.png 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Optical-Mixers-705x430.png 705w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><p id=\"caption-attachment-69659\" class=\"wp-caption-text\">M\u00e9langeur h\u00e9t\u00e9rodyne optique<\/p><\/div>\n<\/div><\/section><\/div>\n<div  class='hr av-1qb35su-182511368bcf94100a03fc364fa38be1 hr-default  avia-builder-el-15  el_after_av_one_fourth  el_before_av_three_fourth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-ngfnha-a6146dca24ffd073da94ca8f8c5a5ccf av_three_fourth  avia-builder-el-16  el_after_av_hr  el_before_av_one_fourth  first flex_column_div'     ><section  class='av_textblock_section av-lz158pk8-75bc08a95cad6a90e640779a659f8fa2'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong><em>\u00a0Sources Laser THz-pour l\u2019imagerie et la spectroscopie<\/em><\/strong><\/h3>\n<p>Par exemple: un laser mol\u00e9culaire brevet\u00e9 en 2015, bas\u00e9 sur le pompage optique de mol\u00e9cules en phase gazeuse par une source MIR de type laser \u00e0 cascade quantique. Un laser fonctionnant \u00e0 temp\u00e9rature ambiante sur ce principe sert aujourd\u2019hui d\u2019oscillateur local dans un r\u00e9cepteur h\u00e9t\u00e9rodyne THz utilis\u00e9 dans une exp\u00e9rience de spectroscopie mol\u00e9culaire \u00e0 haute r\u00e9solution install\u00e9e au Synchrotron SOLEIL. Un autre r\u00e9sultat marquant a \u00e9t\u00e9 l\u2019\u00e9tude syst\u00e9matique des transitions de NH<sub>3 <\/sub>\u00a0qui a permis de valider un mod\u00e8le pr\u00e9dictif dans la gamme 0.5-5 THz [<a href=\"https:\/\/hal.science\/hal-03538905v1\/file\/2022_Mammez_AdvPhotRes_LaserNH3.pdf\">APR22<\/a>], ce qui ouvre la voie \u00e0 la conception de nouveaux lasers mol\u00e9culaires efficaces et compacts<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-2m4gvdq-3d695bb62ff76256bf842160c38120f8 av_one_fourth  avia-builder-el-18  el_after_av_three_fourth  el_before_av_hr  flex_column_div'     ><section  class='av_textblock_section av-1ytae7y-3ab4d5ca4d1d96f0e654c702815d8dfe'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-70506 size-full\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz.png\" alt=\"\" width=\"968\" height=\"545\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz.png 968w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz-300x169.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz-768x432.png 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz-18x10.png 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/09\/LaserTHz-705x397.png 705w\" sizes=\"auto, (max-width: 968px) 100vw, 968px\" \/><\/a><\/p>\n<\/div><\/section><\/div><div  class='hr av-17jggim-ca4c74d4dd62cdbadf4d9a160b47cf2c hr-default  avia-builder-el-20  el_after_av_one_fourth  el_before_av_three_fourth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n<div  class='flex_column av-1qmtef2-ca555aa70a4fe94cf5a209932eb8654a av_three_fourth  avia-builder-el-21  el_after_av_hr  el_before_av_one_fourth  first flex_column_div'     ><section  class='av_textblock_section av-lz15a19o-2ca029895d86762ccedff0a19c0f5de8'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong><em>Ph\u00e9nom\u00e8nes non-r\u00e9ciproques et spintronique THz<\/em><\/strong>.<\/h3>\n<p>Nous avons d\u00e9velopp\u00e9 ces derni\u00e8res ann\u00e9es des activit\u00e9s de premier plan sur les excitations THz de la mati\u00e8re magn\u00e9tis\u00e9e. La dynamique sub-picoseconde des porteurs dans les milieux magn\u00e9tis\u00e9s r\u00e9v\u00e8le une richesse de ph\u00e9nom\u00e8nes qui peuvent \u00eatre exploit\u00e9s \u00e0 la fois pour la g\u00e9n\u00e9ration THz \u00e0 tr\u00e8s large bande et pour des fonctionnalit\u00e9s non r\u00e9ciproques. Nous avons par exemple r\u00e9alis\u00e9 des \u00e9metteurs spintroniques THz montrant une am\u00e9lioration d\u2019un ordre de grandeur par rapport \u00e0 l\u2019\u00e9tat de l\u2019art en efficacit\u00e9 d\u2019\u00e9mission tout en atteignant un taux de modulation de polarisation record au-del\u00e0 de 10MHz <a href=\"https:\/\/hal.science\/hal-03475335\/\">[ACSPhot22]<\/a><\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-1mytllq-3f0eed8294f9e9a42707a5b7681704e6 av_one_fourth  avia-builder-el-23  el_after_av_three_fourth  el_before_av_hr  flex_column_div'     ><section  class='av_textblock_section av-19h8gm6-d64f07a6295b2d2c1b49a55a77adf712'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_69671\" style=\"width: 1040px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-69671\" class=\"wp-image-69671 size-large\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-1030x687.png\" alt=\"\" width=\"1030\" height=\"687\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-1030x687.png 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-300x200.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-768x512.png 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-1536x1024.png 1536w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-2048x1366.png 2048w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-18x12.png 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-1500x1000.png 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/cover_picture_apl_v3-705x470.png 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/a><p id=\"caption-attachment-69671\" class=\"wp-caption-text\">Rotation de la polarisation THz d\u2019un \u00e9metteur \u00e0 effet Hall \u00e0 spin inverse par effet magn\u00e9tostrictif commandable en tension <a href=\"https:\/\/hal.science\/hal-03475335\/\">[ACSPhot22]<\/a><\/p><\/div>\n<\/div><\/section><\/div>\n<div  class='hr av-1i40qe6-b7e41b8e95381bbb6904c6828ebbf094 hr-default  avia-builder-el-25  el_after_av_one_fourth  el_before_av_two_third'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-16kkggu-7a4403255af550d07fedd1245b6a1205 av_two_third  avia-builder-el-26  el_after_av_hr  el_before_av_one_third  first flex_column_div'     ><section  class='av_textblock_section av-lz15bmuv-bb776a93df90d02c74908a4387f64cab'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong><em>Imagerie en champ proche et de spectroscopie THz permettant d\u2019\u00e9tudier des objets divers allant des mol\u00e9cules jusqu\u2019aux composants<\/em><\/strong><\/h3>\n<p>L\u2019utilisation en science de la vie et de l\u2019environnement de la spectroscopie THz dans le domaine temporel n\u00e9cessite encore aujourd\u2018hui une am\u00e9lioration de ses performances en termes de pr\u00e9cision et robustesse. Pour ce faire nous d\u00e9veloppons des syst\u00e8mes et des m\u00e9thodes de traitement de donn\u00e9es innovantes. Ainsi l\u2019application de techniques de super r\u00e9solution <a href=\"https:\/\/hal.science\/hal-03143451v3\">[TTST22]<\/a> a permis d\u2019en faire un syst\u00e8me de d\u00e9tection de gaz multi-esp\u00e8ces et ultrasensible, qui pourrait servir par exemple pour le diagnostic par analyse d\u2019haleine. En THz pour la biologie, l\u2019un des d\u00e9fis majeurs est la mesure d\u2019objets uniques de taille bien inf\u00e9rieure \u00e0 la longueur d\u2019onde. Nous d\u00e9veloppons donc des nano-concentrateurs de champ proche que nous caract\u00e9risons en spectroscopie et en microscopie en champ proche <a href=\"https:\/\/hal.science\/hal-03608482v1\">[ACS_AMI22]<\/a>.<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-33y1xa-5d348d9d68c486b90d1bf56bf30c6990 av_one_third  avia-builder-el-28  el_after_av_two_third  el_before_av_hr  flex_column_div'     ><section  class='av_textblock_section av-lz16y1fj-ae5d2e40de5f7f6943619fefae182cb6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/images_medium_am2c01871_0005.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-69630 size-full\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/images_medium_am2c01871_0005.webp\" alt=\"\" width=\"500\" height=\"213\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/images_medium_am2c01871_0005.webp 500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/images_medium_am2c01871_0005-300x128.webp 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/images_medium_am2c01871_0005-18x8.webp 18w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a>Image de microscopie en champ proche (SNOM) d\u2019un r\u00e9sonateur \u00ab\u00a0split-ring\u00a0\u00bb (SRR) \u00e0 2,5 THz.<\/p>\n<\/div><\/section><\/div>\n<div  class='hr av-104wozi-9536755684525312649b2af8d7c1e575 hr-default  avia-builder-el-30  el_after_av_one_third  el_before_av_three_fourth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-pvrxxa-61481695f43609bd628a113867c7182b av_three_fourth  avia-builder-el-31  el_after_av_hr  el_before_av_one_fourth  first flex_column_div'     ><section  class='av_textblock_section av-lz15cbbg-07474822fcf36b9f8b842ab108c982e6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong><em>Photodetecteurs moyen-infrarouge (MIR \u2013 l~3-15um) ultrarapides pour la spectroscopie et les telecoms MIR<\/em><\/strong><\/h3>\n<p>Gr\u00e2ce \u00e0 une relaxation \u00e9lectronique sur l\u2019\u00e9chelle de temps de la ps, les dispositifs unipolaires \u00e0 puits quantiques de semi-conducteurs III-V sont des candidats id\u00e9aux pour un fonctionnement ultra-rapide pour de nombreuses applications, allant de la spectroscopie ultrarapide, aux communications en espace libre.Dans ce contexte, nous avons d\u00e9velopp\u00e9 de nouveaux types de photo-d\u00e9tecteurs GaAs \u00e0 multi-puits quantiques coupl\u00e9s \u00e0 des antennes plasmoniques pr\u00e9sentant une bande passante radiofr\u00e9quence record de 100GHz \u00e0 temp\u00e9rature ambiante [<a href=\"https:\/\/hal.science\/hal-02905277\/\">ACSPhot21<\/a>] [<a href=\"https:\/\/hal.science\/hal-04291689\/\">Optica23<\/a>].<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-jzgrlq-934cd9107670846b2432c6f39fe68550 av_one_fourth  avia-builder-el-33  el_after_av_three_fourth  el_before_av_hr  flex_column_div'     ><section  class='av_textblock_section av-lz1bipvs-327df179fde534035961ab93f1560a9a'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_69673\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-69673\" class=\"wp-image-69673 size-full\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1.png\" alt=\"\" width=\"1270\" height=\"989\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1.png 1270w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1-300x234.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1-1030x802.png 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1-768x598.png 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1-15x12.png 15w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/07\/Slide-QWIP-100GHz-1-705x549.png 705w\" sizes=\"auto, (max-width: 1270px) 100vw, 1270px\" \/><\/a><p id=\"caption-attachment-69673\" class=\"wp-caption-text\">Photod\u00e9tecteur \u00e0 puits quantiques ultra-rapides<\/p><\/div>\n<\/div><\/section><\/div>\n<div  class='hr av-ny8igu-05b200e9a15bae0c90899373832bd935 hr-default  avia-builder-el-35  el_after_av_one_fourth  avia-builder-el-last'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":26095,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-26174","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/26174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=26174"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/26174\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/26095"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=26174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}