{"id":454782,"date":"2024-06-27T16:28:50","date_gmt":"2024-06-27T14:28:50","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=454782"},"modified":"2024-06-27T16:29:28","modified_gmt":"2024-06-27T14:29:28","slug":"une-percee-majeure-pour-les-ordinateurs-quantiques","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/une-percee-majeure-pour-les-ordinateurs-quantiques\/","title":{"rendered":"Une perc\u00e9e majeure pour les ordinateurs quantiques"},"content":{"rendered":"

Une \u00e9quipe de chercheurs de l’universit\u00e9 de technologie de Chalmers<\/a> a cr\u00e9\u00e9 un syst\u00e8me unique qui peut ouvrir la voie \u00e0 des temps de calcul plus longs et \u00e0 des ordinateurs quantiques plus robustes.<\/h2>\n

Le syst\u00e8me cr\u00e9\u00e9 par les chercheurs de Chalmers est bas\u00e9 sur ce que l’on appelle l’informatique quantique \u00e0 variation continue et utilise des oscillateurs harmoniques, un type de composant microscopique, pour coder l’information de mani\u00e8re lin\u00e9aire. Les oscillateurs utilis\u00e9s dans l’\u00e9tude sont constitu\u00e9s de fines bandes de mat\u00e9riau supraconducteur d\u00e9pos\u00e9es sur un substrat isolant pour former des r\u00e9sonateurs \u00e0 micro-ondes, une technologie enti\u00e8rement compatible avec les ordinateurs quantiques supraconducteurs les plus avanc\u00e9s. Cette m\u00e9thode, d\u00e9j\u00e0 connue dans le domaine, s’\u00e9carte du principe des deux \u00e9tats quantiques car elle offre un nombre beaucoup plus important d’\u00e9tats quantiques physiques, ce qui permet aux ordinateurs quantiques d’\u00eatre beaucoup mieux \u00e9quip\u00e9s contre les erreurs et le bruit.<\/p>\n

\"\" – Il semble que les nouvelles technologies quantiques vous ram\u00e8nent aux premiers temps de la radio analogique.<\/em><\/p>\n

En pla\u00e7ant un syst\u00e8me de contr\u00f4le \u00e0 l’int\u00e9rieur de l’oscillateur, les chercheurs de Chalmers ont pu contourner l’effet Kerr et r\u00e9soudre le probl\u00e8me du compromis. Le syst\u00e8me pr\u00e9sente une solution qui pr\u00e9serve les avantages des oscillateurs harmoniques, tels qu’une voie efficace en termes de ressources vers la tol\u00e9rance aux pannes, tout en permettant un contr\u00f4le pr\u00e9cis des \u00e9tats quantiques \u00e0 grande vitesse. Le syst\u00e8me est d\u00e9crit dans un article publi\u00e9 dans Nature Communications <\/a>et pourrait ouvrir la voie \u00e0 des ordinateurs quantiques plus robustes.<\/p>\n","protected":false},"excerpt":{"rendered":"

Une \u00e9quipe de chercheurs de l’universit\u00e9 de technologie de Chalmers a cr\u00e9\u00e9 un syst\u00e8me unique qui peut ouvrir la voie \u00e0 des temps de calcul plus longs et \u00e0 des ordinateurs quantiques plus robustes. Le syst\u00e8me cr\u00e9\u00e9 par les chercheurs de Chalmers est bas\u00e9 sur ce que l’on appelle l’informatique quantique \u00e0 variation continue et […]<\/p>\n","protected":false},"author":40,"featured_media":454757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[2596,5040,6495],"domains":[47],"ppma_author":[6199,1139],"class_list":["post-454782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-informatique-quantique","tag-oscillateur","tag-qbits-fr","domains-electronique-eci"],"acf":[],"yoast_head":"Une perc\u00e9e majeure pour les ordinateurs quantiques ...<\/title>\n<meta name=\"description\" content=\"Une \u00e9quipe de chercheurs de l'universit\u00e9 de Chalmers a cr\u00e9\u00e9 un syst\u00e8me unique qui peut ouvrir la voie \u00e0 des calculs plus longs.\" \/>\n<meta name=\"robots\" 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