{"id":8323,"date":"2025-06-01T09:50:25","date_gmt":"2025-06-01T13:50:25","guid":{"rendered":"https:\/\/www.ecoportal.net\/en\/?p=8323"},"modified":"2026-06-29T19:37:28","modified_gmt":"2026-06-29T23:37:28","slug":"light-teleported-first-time-in-history","status":"publish","type":"post","link":"https:\/\/www.ecoportal.net\/en\/light-teleported-first-time-in-history\/8323\/","title":{"rendered":"Scientists maintained quantum entanglement between photons for 30 hours using existing fiber optic cables"},"content":{"rendered":"<p><span data-feedback-ids=\"ab8fbae4-095d-4c30-8d76-497b3929e736\">The<\/span> speed of <span data-feedback-ids=\"ab8fbae4-095d-4c30-8d76-497b3929e736\">light is a concept that intrigues scientists, but it&#8217;s just as absolute as black holes.<\/span> <span data-feedback-ids=\"92e2310e-4aeb-49c4-b363-cd009f2d6a75\">For light to travel from point A to point B, it moves <\/span>around<span data-feedback-ids=\"92e2310e-4aeb-49c4-b363-cd009f2d6a75\"> 300,000 <\/span>kilometers<span data-feedback-ids=\"92e2310e-4aeb-49c4-b363-cd009f2d6a75\"> per second, and this is just for humans to be able to see something that happened millions of years ago in the universe, across galaxies.<\/span> <span data-feedback-ids=\"0b4b483e-aa64-4ad0-93c0-ddd3fd9d15f8\">But, what if we can send a beam of light across the Milky Way and reach other <\/span>borders? <span data-feedback-ids=\"a12912f0-df84-4b8d-a094-f1fa6da53935\">Scientists <\/span>put the test<span data-feedback-ids=\"a12912f0-df84-4b8d-a094-f1fa6da53935\"> to the <\/span>challenge,<span data-feedback-ids=\"a12912f0-df84-4b8d-a094-f1fa6da53935\"> and the results opened a new discussion about how far it can go without a &#8220;break.&#8221;<\/span><\/p>\n<h2><span data-feedback-ids=\"434b7951-0a84-470f-bb70-7d79c5afdf84\">Scientists <\/span>have successfully transmitted entangled quantum signals<span data-feedback-ids=\"434b7951-0a84-470f-bb70-7d79c5afdf84\"> for the first <\/span>time without interruption<\/h2>\n<p>Light is not just born, <strong>it&#8217;s created from atomic reactions<\/strong>. <span data-feedback-ids=\"9c0cf76a-bb2b-4ceb-813d-4f004c2e954d\">After <\/span>the<span data-feedback-ids=\"9c0cf76a-bb2b-4ceb-813d-4f004c2e954d\"> electrons gain energy, <\/span>they move<span data-feedback-ids=\"9c0cf76a-bb2b-4ceb-813d-4f004c2e954d\"> to a higher energy level &#8220;section&#8221; inside the atom, but the amount of power the electron holds is not sustainable, so when <\/span>it collapses,<span data-feedback-ids=\"9c0cf76a-bb2b-4ceb-813d-4f004c2e954d\"> it releases energy as a photon.<\/span> The photon travels through space as light, carrying a specific amount of energy responsible for color or type.<\/p>\n<p>The electrons bounce back and forth between energy levels, and that&#8217;s why we can see light &#8211; because the atoms are constantly exploding and gaining power again. <span data-feedback-ids=\"f5f496ac-4276-47ef-877f-6a2aea39dd3a\">Scientists <\/span>have studied<span data-feedback-ids=\"f5f496ac-4276-47ef-877f-6a2aea39dd3a\"> this phenomenon for decades, analyzing the behavior of photons, <\/span>electrons,<span data-feedback-ids=\"f5f496ac-4276-47ef-877f-6a2aea39dd3a\"> and other particles that make up the universe.<\/span> <span data-feedback-ids=\"62c399de-faf8-4caf-abc0-664bad23c882\">Meanwhile, engineers have <\/span>been working<span data-feedback-ids=\"62c399de-faf8-4caf-abc0-664bad23c882\"> outside the study room and recently made a major discovery about photons.<\/span><\/p>\n<p>Researchers<span data-feedback-ids=\"b1031c6d-c2ba-4f92-84b8-1c9e4fe7abaa\"> from the University of Tennessee at Chattanooga, EPB of <\/span>Chattanooga,<span data-feedback-ids=\"b1031c6d-c2ba-4f92-84b8-1c9e4fe7abaa\"> and the Department of <\/span>Energy&#8217;s Oak<span data-feedback-ids=\"b1031c6d-c2ba-4f92-84b8-1c9e4fe7abaa\"> Ridge National <\/span><span class=\"wrapper\">Lab<\/span> managed to maintain a quantum entanglement between pairs of photons for over 30 uninterrupted hours. However,<span data-feedback-ids=\"f34bc25e-dbcb-494a-baa4-2a461feaafa4\"> in order to make this achievement even more impressive and have real-world <\/span>applications,<span data-feedback-ids=\"f34bc25e-dbcb-494a-baa4-2a461feaafa4\"> the <strong>scientists used an optic fiber network<\/strong>.                  <\/span><\/p>\n<h2>What makes this discovery so impactful?<\/h2>\n<p>A quantum entanglement is a connection between two or more particles. This<span data-feedback-ids=\"0b71c439-d7b0-4b44-879b-b858003a98d4\"> means that whatever happens to one, it instantly matches the other, no matter how far apart they are &#8211; Einstein <\/span>referred to<span data-feedback-ids=\"0b71c439-d7b0-4b44-879b-b858003a98d4\"> this <\/span>as &#8220;spooky<span data-feedback-ids=\"0b71c439-d7b0-4b44-879b-b858003a98d4\"> action at a distance.&#8221;<\/span> However,<span data-feedback-ids=\"c128c46a-91e9-42d7-bb31-33a79199a3c6\"> the connection between two photons can be fragile, and it can be <\/span>broken.<\/p>\n<p><span data-feedback-ids=\"0c69c4d8-d1be-464a-a99a-9aa73035f75f\">The <\/span>researchers<span data-feedback-ids=\"0c69c4d8-d1be-464a-a99a-9aa73035f75f\"> used an optic fiber cable <\/span>in order<span data-feedback-ids=\"0c69c4d8-d1be-464a-a99a-9aa73035f75f\"> to translate this reaction to the real world.<\/span> These thin glass cables are built to carry photons, <span data-feedback-ids=\"911c3c3a-f099-478d-8de3-f829ab8b9d90\">so if one day scientists <\/span>decide<span data-feedback-ids=\"911c3c3a-f099-478d-8de3-f829ab8b9d90\"> to create a quantum signal, they can use the<strong> infrastructure that already exists<\/strong>, and the 30-hour experiment duration is a milestone for future inventions.<\/span><\/p>\n<h2>The photons weren&#8217;t too far away from each other<\/h2>\n<p>To maintain the stability of the signal, the scientists used a system that automatically adjusts the way photons are spinning as they travel. <span data-feedback-ids=\"4358f31f-b934-46cd-b190-284643c52161\">The technique, called automatic polarization compensation (APC), helps correct any shifts in direction that might happen along the way, reinforcing the connection of the photons in the quantum entanglement by minimizing the disruptions <\/span>caused<span data-feedback-ids=\"4358f31f-b934-46cd-b190-284643c52161\"> by the environment that might interfere <\/span>with<span data-feedback-ids=\"4358f31f-b934-46cd-b190-284643c52161\"> the signal. <\/span><span data-feedback-ids=\"15975bab-c2cc-461c-8a5e-633bc8a765b4\">The uninterrupted signal shared between the three institutes &#8211; all located in Chattanooga, Tennessee &#8211;<strong> <a href=\"https:\/\/scitechdaily.com\/quantum-networking-breakthrough-as-entangled-photons-transmit-without-interruption-for-30-hours\/\" target=\"_blank\" rel=\"noopener\">traveled only about half a mile<\/a><\/strong>.<\/span><\/p>\n<h3><span data-feedback-ids=\"a99dd256-6c35-4b3c-beba-3bb269bdf98c\">Future implications of sending <\/span>signals<span data-feedback-ids=\"a99dd256-6c35-4b3c-beba-3bb269bdf98c\"> across the galaxy<\/span><\/h3>\n<p>A stable quantum connection between photons \u2014 and the researchers&#8217; ability to bring it into the real world \u2014 could lay the foundation for a future quantum internet offering greater security and efficiency. Entanglement distribution and quantum teleportation form the bedrock of more advanced quantum networks, and this breakthrough brings that vision one step closer. How long two photons can still maintain the quantum connection is next for the scientists.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The speed of light is a concept that intrigues scientists, but it&#8217;s just as absolute as black holes. For light to travel from point A to point B, it moves around 300,000 kilometers per second, and this is just for humans to be able to see something that happened millions of years ago in the &#8230; <a title=\"Scientists maintained quantum entanglement between photons for 30 hours using existing fiber optic cables\" class=\"read-more\" href=\"https:\/\/www.ecoportal.net\/en\/light-teleported-first-time-in-history\/8323\/\" aria-label=\"Read more about Scientists maintained quantum entanglement between photons for 30 hours using existing fiber optic cables\">Read more<\/a><\/p>\n","protected":false},"author":17,"featured_media":8324,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"Light","rank_math_title":"","rank_math_description":"The light is abundantly present in the universe, and tell us the story of what happened before humans arrive. But what if we can bend it to our favor?","footnotes":""},"categories":[10],"tags":[],"class_list":["post-8323","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/8323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/comments?post=8323"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/8323\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media\/8324"}],"wp:attachment":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media?parent=8323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/categories?post=8323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/tags?post=8323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}