{"id":188976,"date":"2024-05-09T03:22:27","date_gmt":"2024-05-09T08:22:27","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/05\/atomic-scale-telegraphy-with-light"},"modified":"2024-05-09T03:22:27","modified_gmt":"2024-05-09T08:22:27","slug":"atomic-scale-telegraphy-with-light","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/05\/atomic-scale-telegraphy-with-light","title":{"rendered":"Atomic-scale telegraphy with light"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/atomic-scale-telegraphy-with-light.jpg\"><\/a><\/p>\n<p>In the 1880s Heinrich Hertz discovered that a spark jumping between two pieces of metal emits a flash of light \u2013 rapidly oscillating electromagnetic waves \u2013 which can be picked up by an antenna. To honour his groundbreaking work, the unit of frequency was named \u201cHertz\u201d in 1930. Hertz\u2019s findings were later used by Guglielmo Marconi (Nobel Prize in Physics, 1909) to transmit information over long distances creating radiocommunication and revolutionizing wireless telegraphy \u2013 shaping the modern world until today.<\/p>\n<p>Scientists from the Department of Physics and the Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, have now been able to directly observe a quantum version of Hertz\u2019s spark jumping between just two atoms by measuring the oscillogram of the light it emits with temporal precision faster than a single oscillation cycle of the lightwave. This new signal enabled achieving a long-sought goal: atomic spatial resolution in all-optical microscopy.<\/p>\n<p>As an unprecedented communication channel with the quantum world, this signal could be crucial for the development of super-fast quantum technologies as it gives new insights into the processes happening on lengthscales of single atoms and timescales faster than a trillionth of a second.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the 1880s Heinrich Hertz discovered that a spark jumping between two pieces of metal emits a flash of light \u2013 rapidly oscillating electromagnetic waves \u2013 which can be picked up by an antenna. To honour his groundbreaking work, the unit of frequency was named \u201cHertz\u201d in 1930. Hertz\u2019s findings were later used by Guglielmo [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,1617],"tags":[],"class_list":["post-188976","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/188976","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\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=188976"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/188976\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=188976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=188976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=188976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}