{"id":172933,"date":"2025-06-10T13:29:32","date_gmt":"2025-06-10T07:59:32","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=172933"},"modified":"2025-06-10T13:29:33","modified_gmt":"2025-06-10T07:59:33","slug":"indias-first-quantum-key-distribution-qkd-over-multi-core-fibre","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/indias-first-quantum-key-distribution-qkd-over-multi-core-fibre\/","title":{"rendered":"India\u2019s First Quantum Key Distribution (QKD) Over Multi-Core Fibre"},"content":{"rendered":"\n<p>India has achieved a major milestone in secure communication with the successful testing of the country\u2019s first Quantum Key Distribution (QKD) over a 4-core Multi-Core Fibre (MCF) by C-DOT and Sterlite Technologies Ltd. (STL).<br>The test sustained QKD transmission over 100 km, using one core for quantum signals and the other three for high-speed classical data, showcasing the cost-effective, interference-free advantages of MCF for building a national quantum communication network.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Significance of MCF<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allows physical separation of quantum and classical signals.<\/li>\n\n\n\n<li>Enables simultaneous transmission without interference.<\/li>\n\n\n\n<li>Reduces infrastructure and fibre deployment costs.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>India has achieved a major milestone in secure communication with the successful testing of the country\u2019s first Quantum Key Distribution (QKD) over a 4-core Multi-Core Fibre (MCF) by C-DOT and Sterlite Technologies Ltd. (STL).The test sustained QKD transmission over 100 km, using one core for quantum signals and the other three for high-speed classical data, [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":172934,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5371],"tags":[68],"offerexpiration":[],"class_list":["post-172933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs-april-2025","tag-science-technology-current-affairs"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/172933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=172933"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/172933\/revisions"}],"predecessor-version":[{"id":172935,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/172933\/revisions\/172935"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/172934"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=172933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=172933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=172933"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=172933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}