{"id":166557,"date":"2023-06-27T22:39:06","date_gmt":"2023-06-28T03:39:06","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/06\/novel-19-core-fiber-hits-1-7-petabits-per-second"},"modified":"2023-06-27T22:39:06","modified_gmt":"2023-06-28T03:39:06","slug":"novel-19-core-fiber-hits-1-7-petabits-per-second","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/06\/novel-19-core-fiber-hits-1-7-petabits-per-second","title":{"rendered":"Novel 19-Core Fiber Hits 1.7 Petabits per Second"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/novel-19-core-fiber-hits-1-7-petabits-per-second.jpg\"><\/a><\/p>\n<p>Researchers in Japan and Australia have developed a new multicore optic fiber able to transmit a record-breaking 1.7 petabits per second, while maintaining compatibility with existing fiber infrastructure. The team\u2013from Japan\u2019s <a href=\"https:\/\/www.nict.go.jp\/en\/index.html\" target=\"_blank\" class=\"\">National Institute of Information and Communications Technology<\/a> (NICT) and <a href=\"https:\/\/sumitomoelectric.com\/\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">Sumitomo Electric Industries,<\/a> and <a href=\"https:\/\/www.mq.edu.au\/\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">Macquarie University<\/a> in Sydney, Australia\u2014achieved the feat using a fiber with 19 cores. That\u2019s the largest number of cores packed into a cable with a standard cladding diameter of 0.125 micrometers.<\/p>\n<p>\u201cWe believe 19 cores is the highest practical number of cores or spatial channels you can have in standard cladding diameter fiber and still maintain good quality transmission,\u201d says Georg Rademacher, who previously headed the project for NICT but who has recently returned to Germany to take up a <a href=\"https:\/\/www.int.uni-stuttgart.de\/en\/institute\/team\/Rademacher-00002\/\" target=\"_blank\" class=\"\">directorship in optical communications<\/a> at the University of Stuttgart.<\/p>\n<p>Most fiber cables for long-distance transmission in use today are single core, single-mode glass fibers (SMF). But <a href=\"https:\/\/ieeexplore.ieee.org\/abstract\/document\/9803819\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">SMF is approaching its practical limit<\/a> as network traffic rapidly increases because of AI, cloud computing, and IoT applications. Many researchers are therefore taking an interest in multicore fiber in conjunction with <a href=\"https:\/\/www.rp-photonics.com\/space_division_multiplexing.html\" target=\"_blank\" class=\"\">space-division multiplexing<\/a> (SDM), a transmission technique for using multiple spatial channels in a cable.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers in Japan and Australia have developed a new multicore optic fiber able to transmit a record-breaking 1.7 petabits per second, while maintaining compatibility with existing fiber infrastructure. The team\u2013from Japan\u2019s National Institute of Information and Communications Technology (NICT) and Sumitomo Electric Industries, and Macquarie University in Sydney, Australia\u2014achieved the feat using a fiber with [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418,6,8],"tags":[],"class_list":["post-166557","post","type-post","status-publish","format-standard","hentry","category-internet","category-robotics-ai","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/166557","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\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=166557"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/166557\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=166557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=166557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=166557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}