{"id":155261,"date":"2023-01-12T12:23:21","date_gmt":"2023-01-12T18:23:21","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/01\/integrated-photonic-circuits-could-help-close-the-terahertz-gap"},"modified":"2023-01-12T12:23:21","modified_gmt":"2023-01-12T18:23:21","slug":"integrated-photonic-circuits-could-help-close-the-terahertz-gap","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/01\/integrated-photonic-circuits-could-help-close-the-terahertz-gap","title":{"rendered":"Integrated photonic circuits could help close the \u2018terahertz gap\u2019"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/integrated-photonic-circuits-could-help-close-the-terahertz-gap.jpg\"><\/a><\/p>\n<p>EPFL researchers have collaborated with colleagues at Harvard and ETH Zurich on a new thin-film circuit that, when connected to a laser beam, produces finely tailorable terahertz-frequency waves. The device opens up a world of potential applications in optics and telecommunications.<\/p>\n<p>Researchers led by Cristina Benea-Chelmus in the Laboratory of Hybrid Photonics (HYLAB) in EPFL\u2019s School of Engineering have taken a big step toward successfully exploiting the so-called terahertz gap, which lies between about 300 to 30,000 gigahertz (0.3 to 30 THz) on the electromagnetic spectrum. This range is currently something of a technological dead zone, describing frequencies that are too fast for today\u2019s electronics and telecommunications devices, but too slow for optics and imaging applications.<\/p>\n<p>Now, thanks to an extremely thin chip with an integrated photonic circuit made of <a href=\"https:\/\/techxplore.com\/tags\/lithium+niobate\/\" rel=\"tag\" class=\"\">lithium niobate<\/a>, the HYLAB researchers and colleagues at ETH Zurich and Harvard University have succeeded not just in producing terahertz waves, but in engineering a solution for custom-tailoring their frequency, wavelength, amplitude, and phase.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EPFL researchers have collaborated with colleagues at Harvard and ETH Zurich on a new thin-film circuit that, when connected to a laser beam, produces finely tailorable terahertz-frequency waves. The device opens up a world of potential applications in optics and telecommunications. Researchers led by Cristina Benea-Chelmus in the Laboratory of Hybrid Photonics (HYLAB) in EPFL\u2019s [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,38],"tags":[],"class_list":["post-155261","post","type-post","status-publish","format-standard","hentry","category-computing","category-engineering"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/155261","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\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=155261"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/155261\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=155261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=155261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=155261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}