{"id":486847,"date":"2025-10-14T17:46:48","date_gmt":"2025-10-14T15:46:48","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=486847"},"modified":"2025-10-14T17:46:48","modified_gmt":"2025-10-14T15:46:48","slug":"ntt-research-devoile-la-premiere-puce-photonique-programmable","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/ntt-research-devoile-la-premiere-puce-photonique-programmable\/","title":{"rendered":"NTT Research d\u00e9voile la premi\u00e8re puce photonique programmable"},"content":{"rendered":"

NTT Research, en collaboration avec les universit\u00e9s Cornell et Stanford, a fait la d\u00e9monstration du premier guide d’ondes photoniques non lin\u00e9aires programmable au monde – une avanc\u00e9e qui remet en question le vieux paradigme \u00ab\u00a0un composant, une fonction\u00a0\u00bb dans le domaine de la photonique. La nouvelle puce peut basculer entre plusieurs fonctions optiques non lin\u00e9aires en temps r\u00e9el, ce qui ouvre de nouvelles possibilit\u00e9s pour les sources de lumi\u00e8re accordables, l’informatique optique et la communication quantique.<\/p>\n

Il s’agit d’une \u00e9tape cl\u00e9 pour les secteurs de la photonique et de la technologie quantique. La capacit\u00e9 de programmer dynamiquement des fonctions optiques non lin\u00e9aires pourrait acc\u00e9l\u00e9rer l’innovation dans le domaine de la photonique int\u00e9gr\u00e9e, r\u00e9duire les co\u00fbts des syst\u00e8mes et am\u00e9liorer les rendements dans la fabrication de circuits optiques classiques et quantiques.<\/p>\n

Briser la barri\u00e8re \u00ab\u00a0un composant, une fonction\u00a0\u00bb.<\/h3>\n

D\u00e9taill\u00e9s dans un article de Nature<\/em> intitul\u00e9 \u00ab\u00a0Programmable On-Chip Nonlinear Photonics<\/a>\u00ab\u00a0,<\/em> les travaux ont \u00e9t\u00e9 men\u00e9s par Ryotatsu Yanagimoto, chercheur chez NTT, sous la supervision du professeur Peter L. McMahon de l’universit\u00e9 de Cornell. La collaboration introduit un guide d’ondes \u00e0 base de nitrure de silicium dont la non-lin\u00e9arit\u00e9 peut \u00eatre modifi\u00e9e dynamiquement \u00e0 l’aide de mod\u00e8les de lumi\u00e8re structur\u00e9s. Lorsqu’il est \u00e9clair\u00e9 par une lumi\u00e8re de \u00ab\u00a0programmation\u00a0\u00bb sp\u00e9cifique, le dispositif modifie ses propri\u00e9t\u00e9s optiques, ce qui permet d’ex\u00e9cuter plusieurs fonctions non lin\u00e9aires sur la m\u00eame puce physique.<\/p>\n

En utilisant cette approche, l’\u00e9quipe a d\u00e9montr\u00e9 la mise en forme arbitraire d’impulsions, la g\u00e9n\u00e9ration de seconde harmonique accordable, la formation de lumi\u00e8re holographique et la conception inverse en temps r\u00e9el de fonctions optiques. Selon NTT Research, cette programmabilit\u00e9 dynamique rend le dispositif r\u00e9sistant aux imperfections de fabrication et aux d\u00e9rives environnementales – des probl\u00e8mes de longue date dans le domaine de la photonique de pr\u00e9cision.<\/p>\n

Implications intersectorielles de l’int\u00e9gration photonique<\/h3>\n

Le guide d’ondes non lin\u00e9aires programmable pourrait remodeler de nombreux secteurs \u00e0 forte croissance, des t\u00e9l\u00e9communications au traitement de l’information quantique.<\/p>\n

En permettant \u00e0 une seule puce d’ex\u00e9cuter de nombreuses fonctions, l’innovation de NTT Research promet une r\u00e9duction des co\u00fbts, des rendements plus \u00e9lev\u00e9s et une efficacit\u00e9 en termes d’\u00e9nergie et d’espace, ce qui est crucial pour la mise \u00e0 l’\u00e9chelle des circuits optiques. Dans le domaine de l’informatique quantique, les convertisseurs de fr\u00e9quence programmables et les sources de lumi\u00e8re quantique pourraient permettre des architectures plus souples et une meilleure mise en r\u00e9seau quantique. Dans le domaine des t\u00e9l\u00e9communications, les sources de lumi\u00e8re et les g\u00e9n\u00e9rateurs de formes d’onde accordables pourraient am\u00e9liorer les syst\u00e8mes de communication optique et la r\u00e9silience des infrastructures.<\/p>\n

Les chercheurs voient \u00e9galement un potentiel dans la fabrication, l’imagerie et l’instrumentation scientifique, o\u00f9 le contr\u00f4le structur\u00e9 de la lumi\u00e8re et les syst\u00e8mes optiques reconfigurables peuvent am\u00e9liorer la pr\u00e9cision et l’adaptabilit\u00e9.<\/p>\n

\u00c0 l’avenir, NTT Research pr\u00e9voit d’\u00e9tendre la technologie aux fonctions quantiques programmables et d’explorer de nouveaux mat\u00e9riaux pour am\u00e9liorer les effets non lin\u00e9aires. Ce d\u00e9veloppement marque une \u00e9tape d\u00e9cisive vers des circuits photoniques \u00e9volutifs et reconfigurables, fondement des futurs syst\u00e8mes informatiques optiques et quantiques.<\/p>\n

Pour une analyse de cette exp\u00e9rience et de ses r\u00e9sultats, veuillez lire le billet de blog :D\u00e9monstration d’une photonique non lin\u00e9aire programmable sur puce transcendant le paradigme \u00ab\u00a0un appareil, une fonction<\/a>\u00ab\u00a0.<\/p>\n","protected":false},"excerpt":{"rendered":"

NTT Research, en collaboration avec les universit\u00e9s Cornell et Stanford, a fait la d\u00e9monstration du premier guide d’ondes photoniques non lin\u00e9aires programmable au monde – une avanc\u00e9e qui remet en question le vieux paradigme \u00ab\u00a0un composant, une fonction\u00a0\u00bb dans le domaine de la photonique. La nouvelle puce peut basculer entre plusieurs fonctions optiques non lin\u00e9aires […]<\/p>\n","protected":false},"author":34,"featured_media":486834,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3669],"tags":[],"domains":[47],"ppma_author":[10631,1153],"class_list":["post-486847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouvelles","domains-electronique-eci"],"acf":[],"yoast_head":"NTT Research d\u00e9voile la premi\u00e8re puce photonique programmable ...<\/title>\n<meta name=\"description\" content=\"L'\u00e9quipe a d\u00e9montr\u00e9 la mise en forme arbitraire d'impulsions et la g\u00e9n\u00e9ration de seconde harmonique accordable\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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