{"id":11410,"date":"2025-06-06T09:49:59","date_gmt":"2025-06-06T07:49:59","guid":{"rendered":"https:\/\/www.cailabs.com\/blog\/aerospace-and-defense\/"},"modified":"2025-07-03T10:35:06","modified_gmt":"2025-07-03T08:35:06","slug":"tilba-ogs-et-qkd-batir-la-confiance-dans-lavenir-des-communications-quantiques-securisees","status":"publish","type":"post","link":"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/tilba-ogs-et-qkd-batir-la-confiance-dans-lavenir-des-communications-quantiques-securisees\/","title":{"rendered":"TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es"},"content":{"rendered":"\n<h5 class=\"wp-block-heading\"><strong><strong>S\u00e9curit\u00e9 quantique et liaisons optiques : deux technologies compl\u00e9mentaires pour les communications spatiales<\/strong><\/strong><\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-66a62c54 wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><a href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/communications-laser\/communications-securisees\/\" target=\"_blank\" rel=\"noreferrer noopener\">La distribution quantique de cl\u00e9s (QKD)<\/a> suscite un int\u00e9r\u00eat croissant dans le secteur spatial. Cette m\u00e9thode cryptographique, fond\u00e9e sur les lois de la m\u00e9canique quantique, inaugure un nouveau paradigme : la s\u00e9curit\u00e9 ne d\u00e9pend plus de la complexit\u00e9 des calculs mais repose sur des principes physiques inviolables. Elle permet de contrer les menaces futures li\u00e9es \u00e0 l\u2019\u00e9mergence des ordinateurs quantiques, qui pourraient rendre obsol\u00e8tes les sch\u00e9mas de chiffrement actuels. Une perspective naturellement attractive, dans un domaine o\u00f9 la s\u00e9curisation des donn\u00e9es devient une exigence strat\u00e9gique.<\/p>\n\n\n\n<p style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">Contrairement au chiffrement classique, qui peut \u00eatre bris\u00e9 par une puissance de calcul suffisante, la QKD permet \u00e0 deux parties de partager une cl\u00e9 secr\u00e8te de sorte \u00e0 ce que toute tentative d\u2019interception provoque des perturbations mesurables. Le simple fait d\u2019\u00e9couter la transmission alt\u00e8re la cl\u00e9, ce qui permet de d\u00e9tecter l\u2019intrusion.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-scaled.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-scaled@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"2560\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-scaled.jpeg\" alt=\"Simplified representation of the principle of QKD\" class=\"wp-image-11429\" style=\"width:344px;height:auto\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-scaled.jpeg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-300x300.jpeg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-1024x1024.jpeg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-150x150.jpeg 150w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-768x768.jpeg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-1536x1536.jpeg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/simplified-representation-of-the-principle-of-qkd-avec-fond-2048x2048.jpeg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/picture><figcaption class=\"wp-element-caption\"><em><em>Repr\u00e9sentation simplifi\u00e9e du principe de la QK<\/em>D<\/em><\/figcaption><\/figure>\n\n\n\n<p style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">Cette promesse n\u2019est pas qu\u2019un concept th\u00e9orique. Le lancement du satellite chinois Micius en 2016 marque un jalon important, ayant d\u00e9montr\u00e9 la faisabilit\u00e9 d\u2019une liaison QKD sur des milliers de kilom\u00e8tres. Depuis, les initiatives se multiplient \u00e0 l\u2019\u00e9chelle mondiale, tant du c\u00f4t\u00e9 des institutions publiques que des acteurs priv\u00e9s. Mais l\u2019enthousiasme doit rester mesur\u00e9 : d\u00e9bits encore faibles, d\u00e9pendance aux n\u0153uds de confiance, infrastructure \u00e0 un stade exp\u00e9rimental\u2026 de nombreux d\u00e9fis restent \u00e0 relever avant une g\u00e9n\u00e9ralisation \u00e0 grande \u00e9chelle.<\/p>\n\n\n\n<p>Dans le m\u00eame temps, les communications optiques classiques ont atteint un haut degr\u00e9 de maturit\u00e9. Gr\u00e2ce \u00e0 la finesse de leur faisceau, elles offrent des d\u00e9bits extr\u00eamement \u00e9lev\u00e9s, une faible probabilit\u00e9 d\u2019interception et une efficacit\u00e9 \u00e9nerg\u00e9tique sup\u00e9rieure aux liaisons radiofr\u00e9quences. L\u2019industrie spatiale adopte rapidement ces technologies, comme en t\u00e9moignent les progr\u00e8s r\u00e9cents de SpaceX, Kepler Communications, ou encore les d\u00e9monstrations r\u00e9ussies de la NASA.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:0\"><strong><strong>Vers la compatibilit\u00e9 : pourquoi la station TILBA\u00ae est pr\u00eate pour le saut quantique<\/strong><\/strong><\/h5>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-81943dc8 wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Chez Cailabs, nous sommes convaincus que l\u2019avenir des communications spatiales s\u00e9curis\u00e9es passe par des plateformes con\u00e7ues pour \u00eatre modulaires, fiables et \u00e9volutives. <a href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/communications-laser\/stations-sol-optiques\/\" target=\"_blank\" rel=\"noreferrer noopener\">La station sol optique TILBA\u00ae<\/a> incarne cette vision.<\/p>\n\n\n\n<p>Initialement d\u00e9velopp\u00e9e pour lib\u00e9rer tout le potentiel des liaisons laser avec les satellites en orbite basse (LEO), TILBA\u00ae se distingue par sa robustesse op\u00e9rationnelle. Elle int\u00e8gre un t\u00e9lescope principal de 800 mm avec foyer Nasmyth, une monture Alt-Az de haute pr\u00e9cision permettant un suivi open-loop \u00e0 moins d\u2019une seconde d\u2019arc RMS, et un syst\u00e8me avanc\u00e9 de pointage, acquisition et poursuite multi-\u00e9tapes\u200b.<\/p>\n\n\n\n<p>Cette architecture garantit une grande stabilit\u00e9, indispensable pour les liaisons classiques \u00e0 haut d\u00e9bit comme pour les communications quantiques plus sensibles.<\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/tilba-ogs-linking-with-a-low-earth-orbit-satellite-verticale.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/tilba-ogs-linking-with-a-low-earth-orbit-satellite-verticale@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"813\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/tilba-ogs-linking-with-a-low-earth-orbit-satellite-verticale.jpg\" alt=\"Tilba Ogs Linking With A Low Earth Orbit Satellite Verticale\" class=\"wp-image-11434\" style=\"width:309px;height:auto\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/tilba-ogs-linking-with-a-low-earth-orbit-satellite-verticale.jpg 555w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/tilba-ogs-linking-with-a-low-earth-orbit-satellite-verticale-205x300.jpg 205w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/picture><figcaption class=\"wp-element-caption\"><em>TILBA\u00ae OGS <em>en liaison avec un satellite en orbite terrestre basse<\/em><\/em><\/figcaption><\/figure>\n<\/div>\n\n\n\n<p>TILBA\u00ae embarque \u00e9galement les technologies brevet\u00e9es de Cailabs pour la correction des turbulences atmosph\u00e9riques. En r\u00e9ception, le module <a href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/communications-laser\/briques-technologiques\/#tilbaatmo\" target=\"_blank\" rel=\"noreferrer noopener\">TILBA\u00ae-ATMO<\/a> combine jusqu\u2019\u00e0 45 modes optiques \u00e0 des fr\u00e9quences de correction de plusieurs kHz, sans pi\u00e8ce mobile. En \u00e9mission, la technologie <a href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/communications-laser\/briques-technologiques\/#tilbaibc\" target=\"_blank\" rel=\"noreferrer noopener\">TILBA\u00ae-IBC<\/a> exploite la diversit\u00e9 spatiale pour rendre l\u2019onde montante plus robuste face \u00e0 la turbulence, tout en restant conforme aux normes de s\u00e9curit\u00e9 oculaire. Gr\u00e2ce \u00e0 ces innovations, TILBA\u00ae fait partie des rares stations sol capables de fonctionner de mani\u00e8re fiable, m\u00eame dans des conditions atmosph\u00e9riques d\u00e9grad\u00e9es.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-81943dc8 wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image size-full is-resized\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"417\" height=\"417\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2.png\" alt=\"Illustration of the satellite Eagle-1, by the ESA\" class=\"wp-image-11417\" style=\"width:316px;height:auto\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2.png 417w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2-300x300.png 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/image-2-150x150.png 150w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><\/picture><figcaption class=\"wp-element-caption\"><em>I<em>Illustration du satellite Eagle-1, par l\u2019ESA<\/em><\/em><\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Cette base technologique solide positionne TILBA\u00ae comme un candidat id\u00e9al pour les architectures hybrides m\u00ealant liaisons classiques et sessions QKD.<\/p>\n\n\n\n<p>Sa modularit\u00e9 permet d\u2019ajouter les composants n\u00e9cessaires \u00e0 la d\u00e9tection quantique et \u00e0 la synchronisation. De plus, les stations TILBA\u00ae sont actuellement livr\u00e9es dans le cadre du projet <a href=\"https:\/\/www.cailabs.com\/fr\/actualites\/aerospatial-defense\/projet-greek-obs2ogs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Obs2OGS<\/a>, une initiative europ\u00e9enne soutenue par l\u2019ESA \u00e0 travers son programme ARTES, et co-financ\u00e9e par le minist\u00e8re grec de la Gouvernance Num\u00e9rique. L\u2019objectif du projet est de d\u00e9ployer un r\u00e9seau de stations sol optiques de nouvelle g\u00e9n\u00e9ration compatibles avec les terminaux de communication laser du satellite Eagle-1 \u2014 une mission phare port\u00e9e par la Commission europ\u00e9enne, l\u2019ESA et SES, visant \u00e0 d\u00e9montrer la faisabilit\u00e9 d\u2019un QKD souverain depuis l\u2019espace\u200b.<\/p>\n<\/div>\n<\/div>\n\n\n\n<p>Gr\u00e2ce \u00e0 son architecture multi-missions, TILBA\u00ae prend en charge diff\u00e9rents formats de modulation, profils satellites et cas d\u2019usage : du downlink ISR aux relais commerciaux \u00e0 haut d\u00e9bit, tout en tra\u00e7ant un chemin clair vers des capacit\u00e9s de chiffrement de niveau quantique. \u00c0 court terme, TILBA\u00ae d\u00e9livre une connectivit\u00e9 laser rapide, fiable et s\u00e9curis\u00e9e. \u00c0 moyen et long terme, elle offre un pont naturel vers les syst\u00e8mes renforc\u00e9s par la QKD, sans n\u00e9cessiter de r\u00e9ing\u00e9nierie compl\u00e8te.<\/p>\n\n\n\n<p>En fournissant des plateformes \u00e0 la fois op\u00e9rationnelles aujourd\u2019hui et pr\u00eates pour demain, Cailabs contribue \u00e0 fa\u00e7onner ce que seront les communications satellites s\u00e9curis\u00e9es dans l\u2019\u00e8re quantique. L\u2019av\u00e8nement des r\u00e9seaux hybrides optiques-QKD sera progressif, mais gr\u00e2ce \u00e0 TILBA\u00ae et \u00e0 des projets comme Obs2OGS, cet avenir est d\u00e9j\u00e0 en marche.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1e9e1de4 wp-block-buttons-is-layout-flex\" style=\"margin-top:0;margin-bottom:0\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/www.cailabs.com\/fr\/aerospatial-defense\/communications-laser\/stations-sol-optiques\/\">En savoir plus sur  TILBA\u00ae- OGS<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-orange-color has-alpha-channel-opacity has-orange-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40)\"\/>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-3f4ffc6f wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--60);padding-top:0;padding-right:var(--wp--preset--spacing--50);padding-bottom:0;padding-left:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-content-justification-center is-layout-constrained wp-container-core-column-is-layout-eeeb4991 wp-block-column-is-layout-constrained\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1095\" height=\"1094\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre.jpg\" alt=\"Isidor Toukam Carre\" class=\"wp-image-11419\" style=\"width:174px;height:auto\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre.jpg 1095w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre-300x300.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre-1024x1024.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre-150x150.jpg 150w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/isidor-toukam-carre-768x767.jpg 768w\" sizes=\"auto, (max-width: 1095px) 100vw, 1095px\" \/><\/picture><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-container-core-column-is-layout-f8561097 wp-block-column-is-layout-flow\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:66.66%\">\n<p><strong>Par Isidor Toukam<\/strong><\/p>\n\n\n\n<p>Actuellement \u00e9tudiant ing\u00e9nieur en 3\u1d49 ann\u00e9e \u00e0 l\u2019Institut d\u2019Optique, Isidor Toukam manifeste un fort int\u00e9r\u00eat pour le domaine du laser industriel, tant sur ses aspects techniques que commerciaux. Il effectue un stage en Marketing R&amp;D chez Cailabs, o\u00f9 il contribue \u00e0 la cr\u00e9ation de contenus marketing techniques pour les gammes TILBA\u00ae et CANUNDA<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0\">\n<h2 class=\"wp-block-heading has-text-align-center has-h-5-font-size\" style=\"margin-top:0;margin-bottom:0\">Our Other Articles:<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-a088ac80 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40)\">\n<div data-wp-context=\"{}\" data-wp-interactive=\"core\/query\" data-wp-key=\"0\" data-wp-router-region=\"query-0\" class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"columns-5 wp-block-post-template has-paragraph-font-size is-layout-grid wp-container-core-post-template-is-layout-fee72945 wp-block-post-template-is-layout-grid\"><li data-wp-key=\"post-template-item-11410\" class=\"wp-block-post post-11410 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9;\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/tilba-ogs-et-qkd-batir-la-confiance-dans-lavenir-des-communications-quantiques-securisees\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"1386\" height=\"780\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau.jpg 1386w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-300x169.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-1024x576.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-768x432.jpg 768w\" sizes=\"auto, (max-width: 1386px) 100vw, 1386px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es<\/h2>\n<\/li><li data-wp-key=\"post-template-item-7388\" class=\"wp-block-post post-7388 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9;\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/depasser-les-limites-de-debit-grace-aux-communications-laser\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1017\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-scaled.jpeg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"D\u00e9passer les limites de d\u00e9bit gr\u00e2ce aux communications laser\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-scaled.jpeg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-300x119.jpeg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-1024x407.jpeg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-768x305.jpeg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-1536x610.jpeg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-2048x813.jpeg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">D\u00e9passer les limites de d\u00e9bit gr\u00e2ce aux communications laser<\/h2>\n<\/li><li data-wp-key=\"post-template-item-5023\" class=\"wp-block-post post-5023 post type-post status-publish format-standard has-post-thumbnail hentry category-procedes-laser-industriels category-soudage-laser\">\n<figure style=\"aspect-ratio:16\/9;\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/procedes-laser-industriels\/les-defis-de-lemobilite-le-soudage-des-busbars\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"890\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-scaled.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Les d\u00e9fis de l&#8217;emobilit\u00e9 : le soudage des busbars\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-scaled.jpg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-300x104.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-1024x356.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-768x267.jpg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-1536x534.jpg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-2048x712.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">Les d\u00e9fis de l&#8217;emobilit\u00e9 : le soudage des busbars<\/h2>\n<\/li><li data-wp-key=\"post-template-item-7286\" class=\"wp-block-post post-7286 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9;\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/voler-plus-loin-avec-la-mise-en-forme-de-la-lumiere\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1400\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Voler plus loin avec la mise en forme de la lumi\u00e8re\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs.webp 2400w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-300x175.webp 300w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-1024x597.webp 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-768x448.webp 768w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-1536x896.webp 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-2048x1195.webp 2048w\" sizes=\"auto, (max-width: 2400px) 100vw, 2400px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">Voler plus loin avec la mise en forme de la lumi\u00e8re<\/h2>\n<\/li><li data-wp-key=\"post-template-item-5859\" class=\"wp-block-post post-5859 post type-post status-publish format-standard has-post-thumbnail hentry category-procedes-laser-industriels category-soudage-laser\">\n<figure style=\"aspect-ratio:16\/9;\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/procedes-laser-industriels\/de-la-volkswagen-golf-a-la-tesla-model-3-comment-les-lasers-faconnent-lindustrie-automobile\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2168\" height=\"1344\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"De la volkswagen golf \u00e0 la tesla model 3 : comment les lasers fa\u00e7onnent l&rsquo;industrie automobile ?\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory.jpg 2168w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory-300x186.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory-1024x635.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory-768x476.jpg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory-1536x952.jpg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/03\/robot-welding-is-welding-assembly-automotive-part-in-car-factory-2048x1270.jpg 2048w\" sizes=\"auto, (max-width: 2168px) 100vw, 2168px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">De la volkswagen golf \u00e0 la tesla model 3 : comment les lasers fa\u00e7onnent l&rsquo;industrie automobile ?<\/h2>\n<\/li><\/ul><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>S\u00e9curit\u00e9 quantique et liaisons optiques : deux technologies compl\u00e9mentaires pour les communications spatiales La distribution quantique de cl\u00e9s (QKD) suscite un int\u00e9r\u00eat croissant dans le secteur spatial. Cette m\u00e9thode cryptographique, fond\u00e9e sur les lois de la m\u00e9canique quantique, inaugure un nouveau paradigme : la s\u00e9curit\u00e9 ne d\u00e9pend plus de la complexit\u00e9 des calculs mais repose [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11424,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_schema_org_content_json":"","footnotes":""},"categories":[150,151],"tags":[],"class_list":["post-11410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aerospatial-et-defense","category-communications-laser"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blog | TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es<\/title>\n<meta name=\"description\" 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