{"id":211638,"date":"2025-04-17T02:26:27","date_gmt":"2025-04-17T07:26:27","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/physicists-develop-compact-mid-infrared-pulse-generator-on-single-chip"},"modified":"2025-04-17T02:26:27","modified_gmt":"2025-04-17T07:26:27","slug":"physicists-develop-compact-mid-infrared-pulse-generator-on-single-chip","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/physicists-develop-compact-mid-infrared-pulse-generator-on-single-chip","title":{"rendered":"Physicists develop compact, mid-infrared pulse generator on single chip"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/physicists-develop-compact-mid-infrared-pulse-generator-on-single-chip.jpg\"><\/a><\/p>\n<p>Physicists at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, packing the performance of larger photonic devices onto a single chip.<\/p>\n<p><a href=\"https:\/\/www.nature.com\/articles\/s41586-025-08853-y\" target=\"_blank\">Published<\/a> in <i>Nature<\/i>, the research is the first demonstration of an on-chip, picosecond, mid-infrared laser pulse generator that requires no external components to operate.<\/p>\n<p>The device can make what\u2019s called an <a href=\"https:\/\/phys.org\/tags\/optical+frequency+comb\/\" rel=\"tag\" class=\"\">optical frequency comb<\/a>, a spectrum of light consisting of equally spaced frequency lines (like a comb), used today in precision measurements. The new laser chip could one day speed the creation of highly sensitive, broad-spectrum gas sensors for environmental monitoring, or new types of spectroscopy tools for medical imaging.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Physicists at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, packing the performance of larger photonic devices onto a single chip. Published in Nature, the research is the first demonstration of an [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1523],"tags":[],"class_list":["post-211638","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-computing"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211638","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=211638"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211638\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=211638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=211638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=211638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}