{"id":219008,"date":"2025-07-29T16:21:22","date_gmt":"2025-07-29T21:21:22","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/07\/microresonator-referenced-soliton-microcombs-with-zeptosecond-level-timing-noise"},"modified":"2025-07-29T16:21:22","modified_gmt":"2025-07-29T21:21:22","slug":"microresonator-referenced-soliton-microcombs-with-zeptosecond-level-timing-noise","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/07\/microresonator-referenced-soliton-microcombs-with-zeptosecond-level-timing-noise","title":{"rendered":"Microresonator-referenced soliton microcombs with zeptosecond-level timing noise"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/microresonator-referenced-soliton-microcombs-with-zeptosecond-level-timing-noise.jpg\"><\/a><\/p>\n<p>A compact optical frequency division system with magnesium-fluoride-microresonator-based frequency references and silicon-nitride-microresonator-based comb generators is reported, offering a soliton pulse train at 25-GHz microwaves with an absolute phase noise of &minus;141 dBc Hz\u20131 and timing noise below 546 zs Hz\u20131\/2 at a 10-kHz offset frequency.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A compact optical frequency division system with magnesium-fluoride-microresonator-based frequency references and silicon-nitride-microresonator-based comb generators is reported, offering a soliton pulse train at 25-GHz microwaves with an absolute phase noise of \u2212141 dBc Hz\u20131 and timing noise below 546 zs Hz\u20131\/2 at a 10-kHz offset frequency.<\/p>\n","protected":false},"author":709,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-219008","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219008","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\/709"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=219008"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219008\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=219008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=219008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=219008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}