{"id":233462,"date":"2026-03-17T02:28:11","date_gmt":"2026-03-17T07:28:11","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/03\/a-clear-roadmap-for-engineering-combs-of-light"},"modified":"2026-03-17T02:28:11","modified_gmt":"2026-03-17T07:28:11","slug":"a-clear-roadmap-for-engineering-combs-of-light","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/03\/a-clear-roadmap-for-engineering-combs-of-light","title":{"rendered":"A clear roadmap for engineering combs of light"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-clear-roadmap-for-engineering-combs-of-light3.jpg\"><\/a><\/p>\n<p>Optical frequency combs\u2014laser sources that emit evenly spaced colors of light\u2014are foundational, ubiquitous tools for precision measurement, found in optical clocks, gas-sensing spectrometers, and instruments that detect the light signatures of exoplanets. Traditionally, frequency combs are produced by large, fiber-laser systems ranging from the size of a shoebox to a refrigerator.<\/p>\n<p>Engineers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) are at the forefront of shrinking these powerful laser sources onto photonic chips to make \u201cmicrocombs\u201d at millimeter to micron scales, useful not only for their smaller size, but in next-generation telecommunications applications, such as generating multiple data carriers over a single optical fiber.<\/p>\n<p>New research led by Marko Lon\u010dar, the Tiantsai Lin Professor of Electrical Engineering and Applied Physics, describes a new, generalized model for how to design so-called resonant electro-optic microcombs on <a href=\"https:\/\/phys.org\/news\/2024-10-method-generate-photon-pairs-efficiently.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">thin-film lithium niobate<\/a>, a material featuring a strong electro-optic effect, or the ability to efficiently mix electronic signals with optical ones.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optical frequency combs\u2014laser sources that emit evenly spaced colors of light\u2014are foundational, ubiquitous tools for precision measurement, found in optical clocks, gas-sensing spectrometers, and instruments that detect the light signatures of exoplanets. Traditionally, frequency combs are produced by large, fiber-laser systems ranging from the size of a shoebox to a refrigerator. Engineers at the Harvard [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,38,8],"tags":[],"class_list":["post-233462","post","type-post","status-publish","format-standard","hentry","category-computing","category-engineering","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233462","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=233462"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233462\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=233462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=233462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=233462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}