
{"id":7197,"date":"2025-09-15T11:01:19","date_gmt":"2025-09-15T09:01:19","guid":{"rendered":"https:\/\/parlonstechs.com\/all\/?p=7197"},"modified":"2025-09-15T11:01:19","modified_gmt":"2025-09-15T09:01:19","slug":"cest-quoi-la-fibre-creuse-cette-revolution-de-la-fibre-optique-sur-laquelle-microsoft-parie-gros","status":"publish","type":"post","link":"https:\/\/parlonstechs.com\/all\/2025\/09\/15\/cest-quoi-la-fibre-creuse-cette-revolution-de-la-fibre-optique-sur-laquelle-microsoft-parie-gros\/","title":{"rendered":"C&rsquo;est quoi la fibre creuse ? Cette r\u00e9volution de la fibre optique sur laquelle Microsoft parie gros"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/pic.clubic.com\/3fdcfd6b2331774\/1200x800\/smart\/fibre-optique.jpg\" alt=\"Rendu 3D d'un c\u00e2ble de fibre optique. \u00a9Sashkin \/ Shutterstock\" \/><\/p>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<h2 class=\"sc-29e2a271-0 jjhUrQ\"><strong>Vers un Internet encore plus rapide ? Lumenisity, start-up rachet\u00e9e par Microsoft en 2022, affirme avoir franchi un cap d\u00e9cisif dans la fibre creuse, une technologie qui pourrait r\u00e9volutionner le World Wide Web.<\/strong><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-4d7ec7a0-1 cGqHvW\">\n<figure class=\"sc-4d7ec7a0-0 fxIHQO\"><span role=\"presentation\"><picture class=\"sc-47b37427-3 jUgnWA sc-9c0fa451-0 QhPqW isEager\"><source srcset=\"\/\/pic.clubic.com\/d55ee2742331774\/768x512\/smart\/fibre-optique.webp 2x, \/\/pic.clubic.com\/6c37c1d92331774\/1152x768\/smart\/fibre-optique.webp 3x\" type=\"image\/webp\" media=\"(max-width: 768px)\" sizes=\"768px\" \/><source srcset=\"\/\/pic.clubic.com\/d83139842331774\/1024x683\/smart\/fibre-optique.webp 1x, \/\/pic.clubic.com\/532d88ec2331774\/1500x1001\/smart\/fibre-optique.webp 2x\" type=\"image\/webp\" media=\"(min-width: 769px) and (max-width: 1024px)\" sizes=\"1024px\" \/><source srcset=\"\/\/pic.clubic.com\/2a7a08e12331774\/1200x800\/smart\/fibre-optique.webp 1x, \/\/pic.clubic.com\/d5dd247c2331774\/1500x1000\/smart\/fibre-optique.webp 2x\" type=\"image\/webp\" media=\"(min-width: 1025px)\" sizes=\"1200px\" \/><source srcset=\"\/\/pic.clubic.com\/d73ee9e52331774\/768x512\/smart\/fibre-optique.jpg 2x, \/\/pic.clubic.com\/c150a14b2331774\/1152x768\/smart\/fibre-optique.jpg 3x\" media=\"(max-width: 768px)\" sizes=\"768px\" \/><source srcset=\"\/\/pic.clubic.com\/1d59e6812331774\/1024x683\/smart\/fibre-optique.jpg 1x, \/\/pic.clubic.com\/77eb552a2331774\/1500x1001\/smart\/fibre-optique.jpg 2x\" media=\"(min-width: 769px) and (max-width: 1024px)\" sizes=\"1024px\" \/><\/picture><\/span><\/figure>\n<p>Alors que la demande ne cesse d&rsquo;augmenter \u00e0 travers le monde, les recherches pour am\u00e9liorer les d\u00e9bits de\u00a0la fibre optique\u00a0sont elles aussi\u00a0en constante progression. Et si la fibre creuse, qui permet \u00e0 la lumi\u00e8re de circuler plus vite et avec moins de pertes qu&rsquo;aujourd\u2019hui, est connue depuis les ann\u00e9es 90, Lumenisity semble avoir r\u00e9solu l&rsquo;un des principaux freins \u00e0 son adoption \u00e0 grande echelle.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<h2 class=\"sc-9e5e0317-0 SrXWJ\">Une technologie qui entra\u00eene de nombreuses pertes<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">Aujourd&rsquo;hui, les r\u00e9seaux Internet reposent sur des fibres dites pleines, o\u00f9 le signal lumineux circule dans du verre. Probl\u00e8me, la vitesse de la lumi\u00e8re y est ralentie avec 200 millions de m\u00e8tres par seconde, soit 30 % plus lente que dans l&rsquo;air comme le propose la fibre creuse.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">Mais cette derni\u00e8re poss\u00e8de un d\u00e9faut majeur, car elle engrange d&rsquo;importantes pertes : chaque kilom\u00e8tre parcouru affaiblit fortement le signal, jusqu&rsquo;\u00e0 1 d\u00e9cibel par km dans les premi\u00e8res g\u00e9n\u00e9rations, contre 0,14 d\u00e9cibel par km dans la fibre classique. En cons\u00e9quence, il faut multiplier les amplificateurs pour qu&rsquo;elle fonctionne de mani\u00e8re optimale, un proc\u00e9d\u00e9 tr\u00e8s co\u00fbteux et \u00e9nergivore.<\/p>\n<p>Dans une \u00e9tude publi\u00e9e dans\u00a0<em>Nature Photonics<\/em>, Lumenisity explique n\u00e9anmoins avoir r\u00e9alis\u00e9 une avanc\u00e9e notable. Gr\u00e2ce \u00e0 une nouvelle architecture baptis\u00e9e \u00ab\u00a0<em>fibre \u00e0 c\u0153ur creux sans n\u0153ud, \u00e0 double structure imbriqu\u00e9e antir\u00e9sonante\u00a0<\/em>\u00bb, les chercheurs de la firme sont parvenus \u00e0 r\u00e9duire les pertes \u00e0 seulement 0,091 d\u00e9cibel par kilom\u00e8tre.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.clubic.com\/76df96b62273597\/1200x802\/smart\/la-fibre-optique-pre-cipite-la-fin-du-re-seau-cuivre-ou-adsl.jpg\" alt=\"Un c\u00e2ble de fibre optique. \u00a9Proxima Studio \/ Shutterstock\" \/><\/p>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<h2><\/h2>\n<h2 class=\"sc-9e5e0317-0 SrXWJ\">\u00c0 quand dans nos foyers ?<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">Concr\u00e8tement, c&rsquo;est la premi\u00e8re fois que la fibre creuse fait mieux que la fibre traditionnelle, ouvrant la voie \u00e0 des transmissions 45 % plus rapides et, \u00e0 terme, \u00e0 une bande passante jusqu&rsquo;\u00e0 dix fois plus large. Une am\u00e9lioration loin d&rsquo;\u00eatre n\u00e9gligeable, \u00e0 l&rsquo;heure ou l&rsquo;intelligence artificielle (IA) exige des \u00e9changes massifs de donn\u00e9es.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">C&rsquo;est donc logiquement que Microsoft entend tirer parti de cette perc\u00e9e. L&rsquo;entreprise a d\u00e9j\u00e0 commenc\u00e9 \u00e0 int\u00e9grer la fibre creuse dans son r\u00e9seau Azure, et ses propres besoins internes sont tels qu&rsquo;elle devrait absorber l&rsquo;int\u00e9gralit\u00e9 de la production pendant plusieurs ann\u00e9es.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">En revanche, il faudra attendre pour qu&rsquo;elle s&rsquo;invite dans nos foyers. La technologie doit encore franchir l&rsquo;\u00e9tape de la standardisation internationale, tandis que sa fabrication \u00e0 grande \u00e9chelle reste complexe et co\u00fbteuse. Selon Francesco Poletti, cofondateur de Lumenisity, il faudra patienter environ cinq ans avant que les op\u00e9rateurs t\u00e9l\u00e9coms puissent envisager de la d\u00e9ployer.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">De leur c\u00f4t\u00e9, des chercheurs chinois explorent une approche concurrente, bas\u00e9e sur des membranes plus \u00e9paisses. Moins performante en mati\u00e8re de bande passante, elle aurait toutefois l&rsquo;avantage d&rsquo;\u00eatre plus simple et moins ch\u00e8re \u00e0 produire.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sc-1034f182-1 gwOHxK\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3677.712646484375\"><\/div>\n<\/div>\n<div class=\"sc-dbdf655-2 jvKxDs row\">\n<div class=\"sc-617cd4a-0 dMyXwD\">\n<p class=\"sc-29e2a271-0 jjhUrQ\">Sources :\u00a0<a class=\"un-styled-linked sc-10fe1497-0 bPuOKN\" href=\"https:\/\/www.theregister.com\/2025\/09\/01\/hollowcore_optical_fiber_research\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-event=\"click\" data-mrf-recirculation=\"AffiliateLink\" data-mrf-link=\"https:\/\/www.theregister.com\/2025\/09\/01\/hollowcore_optical_fiber_research\/\">The Register<\/a>,\u00a0<a class=\"un-styled-linked sc-10fe1497-0 bPuOKN\" href=\"https:\/\/www.techradar.com\/pro\/a-potential-revolution-microsoft-backs-researchers-working-on-potentially-the-fastest-fiber-optics-yet\" target=\"_blank\" rel=\"noopener noreferrer\" data-event=\"click\" data-mrf-recirculation=\"AffiliateLink\" data-mrf-link=\"https:\/\/www.techradar.com\/pro\/a-potential-revolution-microsoft-backs-researchers-working-on-potentially-the-fastest-fiber-optics-yet\">Techradar<\/a>,\u00a0<a class=\"un-styled-linked sc-10fe1497-0 bPuOKN\" href=\"https:\/\/www.nature.com\/articles\/s41566-025-01747-5\" target=\"_blank\" rel=\"noopener noreferrer\" data-event=\"click\" data-mrf-recirculation=\"AffiliateLink\" data-mrf-link=\"https:\/\/www.nature.com\/articles\/s41566-025-01747-5\">Nature\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Photonics<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Vers un Internet encore plus rapide ? Lumenisity, start-up rachet\u00e9e par Microsoft en 2022, affirme avoir franchi un cap d\u00e9cisif dans la fibre creuse, une technologie qui pourrait r\u00e9volutionner le [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7198,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,181],"tags":[],"class_list":["post-7197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-internet"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C&#039;est quoi la fibre creuse ? 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