{"id":232035,"date":"2026-02-25T05:37:53","date_gmt":"2026-02-25T11:37:53","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/clearing-the-path-for-turbulence-free-quantum-communication"},"modified":"2026-02-25T05:37:53","modified_gmt":"2026-02-25T11:37:53","slug":"clearing-the-path-for-turbulence-free-quantum-communication","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/clearing-the-path-for-turbulence-free-quantum-communication","title":{"rendered":"Clearing the path for turbulence-free quantum communication"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/clearing-the-path-for-turbulence-free-quantum-communication3.jpg\"><\/a><\/p>\n<p>A University of Ottawa team has developed a new way to protect free-space quantum key distribution (QKD) from atmospheric turbulence, one of the main causes of distortion and errors when sending quantum information through air. Their paper, \u201cAll-optical turbulence mitigation for free-space quantum key distribution using stimulated parametric down-conversion,\u201d <a href=\"https:\/\/opg.optica.org\/abstract.cfm?URI=optica-13-3-386\" target=\"_blank\">appears<\/a> in the journal Optica.<\/p>\n<p>Instead of relying on complex, expensive digital adaptive optics, the researchers use a nonlinear optical process called \u201c<a href=\"https:\/\/phys.org\/news\/2024-06-liquid-crystal-source-photon-pairs.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">stimulated parametric down-conversion<\/a> (StimPDC).\u201d The technique leverages StimPDC\u2019s phase-conjugation property to correct spatial-mode distortions dynamically without requiring prior knowledge of the turbulent channel.<\/p>\n<p>\u201cWe found the idea of using a fundamental optical process to correct the effects of turbulence in real time to be both innovative and largely unexplored,\u201d said Aar\u00f3n Cardoso, lead author and Quantum Optics Student Researcher at uOttawa. \u201cOur results show we can reduce <a href=\"https:\/\/phys.org\/news\/2023-10-illuminating-errors-paradigm-quantum.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">quantum error rates<\/a> below the security threshold even under strong turbulence.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A University of Ottawa team has developed a new way to protect free-space quantum key distribution (QKD) from atmospheric turbulence, one of the main causes of distortion and errors when sending quantum information through air. Their paper, \u201cAll-optical turbulence mitigation for free-space quantum key distribution using stimulated parametric down-conversion,\u201d appears in the journal Optica. Instead [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617,1492],"tags":[],"class_list":["post-232035","post","type-post","status-publish","format-standard","hentry","category-quantum-physics","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/232035","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=232035"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/232035\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=232035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=232035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=232035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}