{"id":152,"date":"2021-11-10T12:08:00","date_gmt":"2021-11-10T12:08:00","guid":{"rendered":"http:\/\/www.thz.lt\/?p=152"},"modified":"2023-04-06T10:04:50","modified_gmt":"2023-04-06T10:04:50","slug":"lithuanian-patent-broadband-high-frequency-generating-amplifying-device-using-semiconductor-superlattices-by-gintaras-valusis-kirill-alekseev-vladislovas-cizas-linas-minkeviciu","status":"publish","type":"post","link":"https:\/\/www.thz.lt\/?p=152","title":{"rendered":"Lithuanian patent \u201cBroadband high-frequency generating \/ amplifying device, using semiconductor superlattices\u201d by Gintaras Valu\u0161is, Kirill Alekseev, Vladislovas \u010ci\u017eas, Linas Minkevi\u010dius, Natalia Alexxeva, Dalius Seliuta, Liudvikas Suba\u010dius ( LT2021567)."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">New principle and at the same time a new type of compact high-frequency radiation source operating at room temperature that can be placed on a semiconductor chip is suggested. It is broadband and can operate in the both GHz and THz frequency bands. Operation of the device relies on principles of the quantum optoelectronics (Esaki-Tsu nonlinearity of the quantum super-lattice), and employ drift-relaxation modes to amplify high-frequency radiation, which propagates in a semiconductor superlattice along its axis at a speed approximately 1000 times slower than the speed of light in a material.  It can be realized in semiconductor superlattice with non-ohmic injection contacts of an appropriate design.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"494\" src=\"http:\/\/www.thz.lt\/wp-content\/uploads\/2021\/11\/figure_mindaugas-1024x494.jpg\" alt=\"\" class=\"wp-image-153\" srcset=\"https:\/\/www.thz.lt\/wp-content\/uploads\/2021\/11\/figure_mindaugas-1024x494.jpg 1024w, https:\/\/www.thz.lt\/wp-content\/uploads\/2021\/11\/figure_mindaugas-300x145.jpg 300w, https:\/\/www.thz.lt\/wp-content\/uploads\/2021\/11\/figure_mindaugas-768x371.jpg 768w, https:\/\/www.thz.lt\/wp-content\/uploads\/2021\/11\/figure_mindaugas.jpg 1713w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Patent No.  LT2021567. At the time of writing this post some public access restrictions were implemented on this patent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New principle and at the same time a new type of compact high-frequency radiation source operating at room temperature that can be placed on a semiconductor chip is suggested. It is broadband and can operate in the both GHz and THz frequency bands. Operation of the device relies on principles of the quantum optoelectronics (Esaki-Tsu &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.thz.lt\/?p=152\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Lithuanian patent \u201cBroadband high-frequency generating \/ amplifying device, using semiconductor superlattices\u201d by Gintaras Valu\u0161is, Kirill Alekseev, Vladislovas \u010ci\u017eas, Linas Minkevi\u010dius, Natalia Alexxeva, Dalius Seliuta, Liudvikas Suba\u010dius ( LT2021567).&#8221;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-152","post","type-post","status-publish","format-standard","hentry","category-patents"],"_links":{"self":[{"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/posts\/152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thz.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=152"}],"version-history":[{"count":4,"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/posts\/152\/revisions"}],"predecessor-version":[{"id":254,"href":"https:\/\/www.thz.lt\/index.php?rest_route=\/wp\/v2\/posts\/152\/revisions\/254"}],"wp:attachment":[{"href":"https:\/\/www.thz.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thz.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thz.lt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}