La veille technologique consiste \u00e0 surveiller les \u00e9volutions techniques et les innovations pour anticiper les changements et rester \u00e0 jour dans son domaine.<\/span><\/span><\/p>\n L\u2019informatique quantique est une technologie en plein d\u00e9veloppement, qui pourrait bouleverser de nombreux domaines :<\/span><\/p>\n Elle permet de <\/span>traiter des donn\u00e9es beaucoup plus vite<\/span> que les ordinateurs classiques.<\/span><\/span><\/p>\n <\/p>\n<\/li>\n Elle peut r\u00e9soudre des <\/span>probl\u00e8mes tr\u00e8s complexes<\/span>, comme le calcul de structures mol\u00e9culaires ou la gestion d\u2019\u00e9normes bases de donn\u00e9es.<\/span><\/span><\/p>\n <\/p>\n<\/li>\n Elle a un <\/span>fort impact en cybers\u00e9curit\u00e9<\/span>, car elle peut \u00e0 la fois casser des syst\u00e8mes actuels et en cr\u00e9er de nouveaux, plus s\u00fbrs.<\/span><\/span><\/p>\n <\/p>\n<\/li>\n<\/ul>\n Faire une veille sur ce sujet, c\u2019est comprendre une <\/span>technologie d\u2019avenir<\/span>, se pr\u00e9parer \u00e0 l\u2019\u00e9volution des m\u00e9tiers du num\u00e9rique, et rester inform\u00e9 des innovations majeures.<\/span><\/p>\n \n Un ordinateur quantique fonctionne diff\u00e9remment d\u2019un ordinateur classique. Il repose sur les <\/span>principes de la m\u00e9canique quantique<\/span> (la science qui \u00e9tudie le comportement de la mati\u00e8re \u00e0 tr\u00e8s petite \u00e9chelle, comme les atomes ou les particules).<\/span><\/p>\n Bit<\/span> : dans un ordinateur classique, l\u2019information est cod\u00e9e en bits. Un bit vaut <\/span>0 ou 1<\/span>, jamais les deux \u00e0 la fois.<\/span><\/span><\/p>\n <\/p>\n<\/li>\n Qubit<\/span> : dans un ordinateur quantique, on utilise des <\/span>qubits<\/span>, qui sont des particules capables d\u2019\u00eatre <\/span>0, 1 ou les deux en m\u00eame temps<\/span> gr\u00e2ce \u00e0 la superposition.<\/span><\/span><\/p>\n C\u2019est la capacit\u00e9 d\u2019un qubit \u00e0 \u00eatre <\/span>dans plusieurs \u00e9tats en m\u00eame temps<\/span> (par exemple : 30 % 0 et 70 % 1). Cela permet de <\/span>tester plusieurs solutions \u00e0 la fois<\/span> dans un calcul.<\/span><\/p>\n Exemple : Un ordinateur classique teste les possibilit\u00e9s une par une. Un ordinateur quantique peut les tester <\/span>toutes en m\u00eame temps<\/span>.<\/span><\/p>\n Quand deux qubits sont <\/span>intriqu\u00e9s<\/span>, cela signifie que <\/span>l\u2019\u00e9tat de l\u2019un d\u00e9pend de l\u2019autre<\/span>, m\u00eame s\u2019ils sont \u00e9loign\u00e9s physiquement. Cela rend les calculs <\/span>beaucoup plus rapides et efficaces<\/span>, car les informations peuvent \u00eatre \u00ab\u00a0li\u00e9es\u00a0\u00bb \u00e0 distance.<\/span><\/p>\n exemple par sch\u00e9ma<\/span><\/p>\n \n <\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5″ _builder_version=\u00a0\u00bb4.17.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb10%||||false|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb10%||||false|false\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/matteoweil.com\/wp-content\/uploads\/2025\/04\/pngtree-quantumlink-quantum-computer-on-transparat-background-png-image_15306952.png\u00a0\u00bb title_text=\u00a0\u00bbpngtree-quantumlink-quantum-computer-on-transparat-background-png-image_15306952″ _builder_version=\u00a0\u00bb4.24.0″ 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button_bg_color=\u00a0\u00bb#000000″ button_bg_enable_image=\u00a0\u00bboff\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3″ _builder_version=\u00a0\u00bb4.17.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ admin_label=\u00a0\u00bbVideos\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#000000″ custom_padding=\u00a0\u00bb||196px|||\u00a0\u00bb saved_tabs=\u00a0\u00bball\u00a0\u00bb collapsed=\u00a0\u00bbon\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.17.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.17.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbb327cbe4-b1d5-4b66-ad37-40c8f2f061ba\u00a0\u00bb header_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb header_2_font=\u00a0\u00bbTrispace|700||on|||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb header_2_font_size=\u00a0\u00bb48px\u00a0\u00bb header_2_letter_spacing=\u00a0\u00bb0em\u00a0\u00bb header_2_line_height=\u00a0\u00bb1.2em\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb header_2_font_size_tablet=\u00a0\u00bb32px\u00a0\u00bb header_2_font_size_phone=\u00a0\u00bb20px\u00a0\u00bb header_2_font_size_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb header_2_text_shadow_style=\u00a0\u00bbpreset2″ header_2_text_shadow_horizontal_length=\u00a0\u00bb0em\u00a0\u00bb header_2_text_shadow_vertical_length=\u00a0\u00bb4px\u00a0\u00bb header_2_text_shadow_blur_strength=\u00a0\u00bb0px\u00a0\u00bb header_2_text_shadow_color=\u00a0\u00bb#543bf5″ global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_accordion _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_accordion_item title=\u00a0\u00bbEvolution du Qubits de 2017 a 2020″ open=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_accordion_item][\/et_pb_accordion][et_pb_accordion _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_accordion_item title=\u00a0\u00bbEn \u00e9galant 64 qubits, IBM atteint son volume quantique le plus \u00e9lev\u00e9 \u00e0 ce jour – IT SOCIAL (MAX 2020)\u00a0\u00bb open=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_accordion_item][\/et_pb_accordion][et_pb_accordion _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_accordion_item title=\u00a0\u00bbIBM 433QBITS 2022″ open=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/fr.newsroom.ibm.com\/Communiques-de-presse?item=123581″ global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n New York, N.Y., le 09 novembre 2022<\/strong>\u00a0: IBM (NYSE : IBM) a donn\u00e9 aujourd’hui le coup d’envoi de l’IBM Quantum Summit 2022, en annon\u00e7ant de nouvelles perc\u00e9es dans le domaine du mat\u00e9riel et des logiciels quantiques et en exposant sa vision novatrice du calcul haute performance quantique. L’IBM Quantum Summit annuel pr\u00e9sente le vaste \u00e9cosyst\u00e8me quantique de clients, partenaires et d\u00e9veloppeurs de la compagnie et les progr\u00e8s continus qu’ils r\u00e9alisent pour mettre l’informatique quantique au service du monde.\u00a0<\/span><\/p>\n <\/span><\/p>\n <\/strong><\/p>\n [\/et_pb_accordion_item][\/et_pb_accordion][et_pb_accordion _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_accordion_item title=\u00a0\u00bbOrdinateur quantique : Atom Computing franchit un cap historique avec plus de 1 000 qubits ! 2023″ open=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.24.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/www.futura-sciences.com\/tech\/actualites\/technologie-ordinateur-quantique-atom-computing-franchit-cap-historique-plus-1-000-qubits-108768\/\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\nPourquoi cette veille<\/span> ?<\/span><\/h3>\n
\n
\nQu\u2019est-ce qu\u2019un ordinateur quantique ?<\/span><\/h3>\n
Bit vs Qubit<\/span><\/h4>\n
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![](\"https:\/\/venerosynicolas.wordpress.com\/wp-content\/uploads\/2025\/04\/image-2.png?w=546\")
<\/p>\n<\/li>\n<\/ul>\nSuperposition<\/span><\/h4>\n
Intrication (ou enchev\u00eatrement)<\/span><\/h4>\n
![](\"https:\/\/venerosynicolas.wordpress.com\/wp-content\/uploads\/2025\/04\/image-4.png\")
<\/span><\/p>\n<\/h5>\n
EVOLUTION DE L’ODINATEUR QUANTIQUE<\/h2>\n
![\"Honeywell](\"https:\/\/i0.wp.com\/www.frenchweb.fr\/wp-content\/uploads\/2020\/03\/Quantum-Volume-History.jpg?resize=650%2C460&ssl=1\")
<\/p>\n![\"\"](\"https:\/\/matteoweil.com\/wp-content\/uploads\/2025\/04\/pht-1.png\")
<\/p>\n\n