{"id":12417,"date":"2025-10-10T15:02:00","date_gmt":"2025-10-10T13:02:00","guid":{"rendered":"https:\/\/www.cailabs.com\/technical-publications-and-conferences\/mplc-based-incoherent-combining-of-fibered-qcls-for-advanced-infrared-countermeasures\/"},"modified":"2026-02-10T15:49:49","modified_gmt":"2026-02-10T14:49:49","slug":"mplc-based-incoherent-combining-of-fibered-qcls-for-advanced-infrared-countermeasures","status":"publish","type":"publication","link":"https:\/\/www.cailabs.com\/fr\/publications-techniques-conferences\/aerospatial-et-defense\/mplc-based-incoherent-combining-of-fibered-qcls-for-advanced-infrared-countermeasures\/","title":{"rendered":"MPLC-based incoherent combining of fibered QCLs for advanced infrared countermeasures"},"content":{"rendered":"\n<p><strong>Auteurs: Louis Andr\u00e9oli,&nbsp;Lucie Guestin,&nbsp;David Kerloch,&nbsp;Pierre Vernaz-Gris,&nbsp;Gauthier Trunet,&nbsp;Quentin Barbedienne,&nbsp;Guillaume Labroille,&nbsp;Pu Jian<\/strong><\/p>\n\n\n\n<p>Cailabs, Rennes &#8211; FRANCE<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Cette publication pr\u00e9sente une approche innovante de combinaison incoh\u00e9rente de lasers \u00e0 cascade quantique fibr\u00e9s pour les applications de contre mesures infrarouges avanc\u00e9es. Les lasers \u00e0 cascade quantique \u00e9mettant dans le <a href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/optronique\/moyen-infrarouge\/\" type=\"page\" id=\"2293\">moyen infrarouge<\/a> constituent une solution privil\u00e9gi\u00e9e pour les syst\u00e8mes DIRCM embarqu\u00e9s, mais leur puissance de sortie reste limit\u00e9e individuellement. La m\u00e9thode propos\u00e9e repose sur le multiplexage de huit sources QCL ind\u00e9pendantes \u00e0 l\u2019aide de la technologie de conversion de lumi\u00e8re multi plans. Des \u00e9l\u00e9ments de mise en phase sur mesure permettent d\u2019adapter l\u2019\u00e9mission laser au profil modal de fibres en fluorure d\u2019indium, assurant une injection efficace, une miniaturisation du syst\u00e8me et une excellente qualit\u00e9 de faisceau. Les r\u00e9sultats exp\u00e9rimentaux pr\u00e9sentent les taux d\u2019injection obtenus, la puissance combin\u00e9e, l\u2019efficacit\u00e9 globale de combinaison et la qualit\u00e9 de faisceau en sortie, confirmant la pertinence de cette approche pour des plateformes DIRCM compactes et portables.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/PC13675\/PC1367506\/MPLC-based-incoherent-combining-of-fibered-QCLs-for-advanced-infrared\/10.1117\/12.3071829.short?tab=ArticleLink\" target=\"_blank\" rel=\"noreferrer noopener\">Plus d&rsquo;informations<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>SPIE Security + Defence, 2025<\/p>\n","protected":false},"author":2,"parent":0,"template":"","categorie-publication":[99,103],"class_list":["post-12417","publication","type-publication","status-publish","hentry","categorie-publication-aerospatial-et-defense","categorie-publication-optronique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Technical Publication | MPLC-based incoherent combining of fibered QCLs for advanced infrared countermeasures<\/title>\n<meta name=\"description\" content=\"This publication presents an MPLC based incoherent combining approach for scaling the output power of fibered quantum cascade lasers in the mid infrared. 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