{"id":241442,"date":"2026-07-23T20:02:22","date_gmt":"2026-07-24T01:02:22","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/northwestern-university-researchers-demonstrate-quantum-entanglement-over-busy-telecom-fiber"},"modified":"2026-07-23T20:02:22","modified_gmt":"2026-07-24T01:02:22","slug":"northwestern-university-researchers-demonstrate-quantum-entanglement-over-busy-telecom-fiber","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/northwestern-university-researchers-demonstrate-quantum-entanglement-over-busy-telecom-fiber","title":{"rendered":"Northwestern University Researchers Demonstrate Quantum Entanglement Over Busy Telecom Fiber"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/northwestern-university-researchers-demonstrate-quantum-entanglement-over-busy-telecom-fiber.jpg\"><\/a><\/p>\n<p>Kumar and his team measured entanglement fidelity above 94%, confirming it survived the journey at a level impossible for a classical communications system to reproduce.<\/p>\n<p>The study is a part of a broader shift toward integrating quantum technologies with existing telecommunications systems. Kumar and coauthor Jordan Thomas recently explored that evolution in a feature article for <a href=\"https:\/\/www.optica-opn.org\/home\/articles\/volume_37\/june_2026\/features\/building_quantum_networks_on_classical_fiber_infrastructure\/\">Optics &amp; Photonics News<\/a>.<\/p>\n<p>Next, the team plans to perform quantum teleportation between remote nodes across a real-world telecommunications network. While Kumar has already performed teleportation in his lab, he wants to demonstrate it over a metropolitan fiber carrying commercial traffic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kumar and his team measured entanglement fidelity above 94%, confirming it survived the journey at a level impossible for a classical communications system to reproduce. The study is a part of a broader shift toward integrating quantum technologies with existing telecommunications systems. Kumar and coauthor Jordan Thomas recently explored that evolution in a feature article [\u2026]<\/p>\n","protected":false},"author":511,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[385,1617],"tags":[],"class_list":["post-241442","post","type-post","status-publish","format-standard","hentry","category-evolution","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/511"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=241442"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241442\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=241442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=241442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=241442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}