{"id":224812,"date":"2025-11-10T05:06:45","date_gmt":"2025-11-10T11:06:45","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/quantum-entanglement-distribution-via-uplink-satellite-channels"},"modified":"2025-11-10T05:06:45","modified_gmt":"2025-11-10T11:06:45","slug":"quantum-entanglement-distribution-via-uplink-satellite-channels","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/quantum-entanglement-distribution-via-uplink-satellite-channels","title":{"rendered":"Quantum entanglement distribution via uplink satellite channels"},"content":{"rendered":"<p><a class=\"blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/quantum-entanglement-distribution-via-uplink-satellite-channels2.jpg\"><\/a><\/p>\n<p>Significant work has been done to develop quantum satellites, which generate entangled pairs in space and distribute them to ground stations separated some distance away. The reverse \u201c <i>uplink<\/i>\u2019\u2019 case, where pairs are generated on the ground and swapped on the satellite using an optical Bell measurement, has not been seriously considered due to a prevailing assumption that it is practically infeasible. In this paper, we illustrate the feasibility of performing Discrete Variable photonic Bell measurements in space by conducting a detailed numerical analysis to estimate the channel efficiency and attainable pair fidelity for various satellite-station configurations. Our model accounts for a wide range of physical effects such as atmospheric effects, stray photons, and mode mismatch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Significant work has been done to develop quantum satellites, which generate entangled pairs in space and distribute them to ground stations separated some distance away. The reverse \u201c uplink\u2019\u2019 case, where pairs are generated on the ground and swapped on the satellite using an optical Bell measurement, has not been seriously considered due to a [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617,2028],"tags":[],"class_list":["post-224812","post","type-post","status-publish","format-standard","hentry","category-quantum-physics","category-satellites"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224812","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=224812"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224812\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}