{"id":114155,"date":"2020-10-11T01:10:16","date_gmt":"2020-10-11T08:10:16","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/10\/the-most-sensitive-optical-receivers-yet-for-for-laser-beam-based-space-communications"},"modified":"2020-10-11T01:10:16","modified_gmt":"2020-10-11T08:10:16","slug":"the-most-sensitive-optical-receivers-yet-for-for-laser-beam-based-space-communications","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/10\/the-most-sensitive-optical-receivers-yet-for-for-laser-beam-based-space-communications","title":{"rendered":"The Most Sensitive Optical Receivers Yet for for Laser-Beam Based Space Communications"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/the-most-sensitive-optical-receivers-yet-for-for-laser-beam-based-space-communications2.jpg\"><\/a><\/p>\n<p>Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high bit-rate operations. A novel concept for laser-beam based communications, using an almost noiseless optical preamplifier in the receiver, was recently demonstrated by researchers at Chalmers University of Technology, Sweden.<\/p>\n<p>In a new paper published in the scientific journal <i>Nature: Light Science &amp; Applications<\/i>, a team of researchers describes a free-space optical transmission system relying on an optical amplifier that, in principle, does not add any excess noise \u2014 in contrast to all other preexisting optical amplifiers, referred to as phase-sensitive amplifiers (PSAs).<\/p>\n<p>The researchers\u2019 new concept demonstrates an unprecedented receiver sensitivity of just one photon-per-information bit at a data rate of 10 gigabits per second.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high bit-rate operations. A novel concept for laser-beam based communications, using an almost noiseless optical preamplifier in the receiver, was recently demonstrated by researchers at Chalmers University of Technology, Sweden. In a new paper published in the scientific journal Nature: [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418,8],"tags":[],"class_list":["post-114155","post","type-post","status-publish","format-standard","hentry","category-internet","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/114155","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=114155"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/114155\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=114155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=114155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=114155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}