{"id":50784,"date":"2025-06-18T10:30:21","date_gmt":"2025-06-18T05:00:21","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=50784"},"modified":"2025-06-18T12:51:00","modified_gmt":"2025-06-18T07:21:00","slug":"quantum-communication","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/quantum-communication\/","title":{"rendered":"Quantum Communication"},"content":{"rendered":"<h2><b>Quantum Communication Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, the Ministry of Defence said in a statement that IIT-Delhi scientists together with the Defence Research and Development Organisation (DRDO) demonstrated quantum communication over a distance of more than 1 km in free space.<\/span><\/p>\n<h2><b>About Quantum Communication<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a way to send information using the <\/span><b>tiniest particles<\/b><span style=\"font-weight: 400;\"> in the universe, like light particles (<\/span><b>called photons<\/b><span style=\"font-weight: 400;\">), in a super secure way.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is an umbrella term for any scheme that uses <\/span><b>the concepts of quantum physics<\/b><span style=\"font-weight: 400;\">, but <\/span><b>especially entanglement,<\/b><span style=\"font-weight: 400;\"> to make a given communication channel leak-proof. \u00a0 \u00a0 \u00a0 <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It can be used to <\/span><b>create communication channels<\/b><span style=\"font-weight: 400;\"> that are protected against computational attacks since any attempt to tap the quantum channel will itself be revealed. Thus they have great value in defence settings.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If any third party intercepts one of the photons, the other photon will immediately be disturbed as well and the <\/span><b>channel will be revealed as insecure.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An important method in quantum communication is <\/span><b>quantum key distribution<\/b><span style=\"font-weight: 400;\"> (QKD).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quantum entanglement is a strange phenomenon where two tiny particles, like photons (particles of light), become linked in such a way that whatever happens to one instantly affects the other \u2014 even if they are far apart.<\/span><\/li>\n<\/ul>\n<h2><b>Applications of Quantum Communication<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Military and government<\/b><span style=\"font-weight: 400;\">: It is used for transmitting <\/span><b>highly sensitive information<\/b><span style=\"font-weight: 400;\">, providing secure communication channels that are immune to eavesdropping.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Banking:<\/b><span style=\"font-weight: 400;\"> Protects financial transactions from cyber-attacks by using quantum key distribution (QKD) to secure online banking and international transactions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Power grids:<\/b><span style=\"font-weight: 400;\"> Secures communication within the power industry, safeguarding against cyber-attacks that could lead to outages or damage to the electrical grid.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Consumer privacy:<\/b><span style=\"font-weight: 400;\"> Enhances the security of personal data transmitted over the internet, such as in cloud services or when shopping online.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Scientific collaboration:<\/b><span style=\"font-weight: 400;\"> Allows secure sharing of research data between institutions, especially when dealing with proprietary or sensitive information.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Navigation:<\/b><span style=\"font-weight: 400;\"> Quantum communication could be used to enhance the security of signals in GPS systems, providing tamper-proof navigation data.<\/span><\/li>\n<\/ul>\n<p><b>Source:<\/b> <a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/quantum-communication-iit-delhi-drdo-entanglement-qkd-explained\/article69705017.ece\" target=\"_blank\" rel=\"nofollow noopener\"><b>TH<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum Communication is a way to send information using the tiniest particles in the universe, like light particles (called photons), in a super secure way. Read more about Quantum Communication, Meaning, Applications, Latest News<\/p>\n","protected":false},"author":24,"featured_media":50806,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,900,22,23],"class_list":{"0":"post-50784","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-quantum-communication","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/50784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=50784"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/50784\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/50806"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=50784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=50784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=50784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}