{"id":168,"date":"2017-12-21T17:28:03","date_gmt":"2017-12-21T17:28:03","guid":{"rendered":"http:\/\/www.ee.uconn.edu\/anwar-research\/?page_id=168"},"modified":"2026-04-07T19:03:41","modified_gmt":"2026-04-07T19:03:41","slug":"quantum-cascade-laser","status":"publish","type":"page","link":"https:\/\/www.ee.uconn.edu\/anwar-research\/quantum-cascade-laser\/","title":{"rendered":"Quantum Cascade Laser"},"content":{"rendered":"<div id=\"pl-168\"  class=\"panel-layout\" ><div id=\"pg-168-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-168-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-168-0-0-0\" class=\"so-panel widget widget_nav_menu panel-first-child panel-last-child\" data-index=\"0\" ><h3 class=\"widget-title\">Research Topics<\/h3><div class=\"menu-research-menu-container\"><ul id=\"menu-research-menu\" class=\"menu\"><li id=\"menu-item-282\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-282\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/memristor\/\">Memristor<\/a><\/li>\n<li id=\"menu-item-291\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-291\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/zno\/\">ZnO<\/a><\/li>\n<li id=\"menu-item-283\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-283\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/thz\/\">THz<\/a><\/li>\n<li id=\"menu-item-284\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-284\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/quantum-cascade-laser\/\">Quantum Cascade Laser<\/a><\/li>\n<li id=\"menu-item-285\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-285\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/high-electron-mobility-transistors-hemts\/\">High Electron Mobility Transistors (HEMTs)<\/a><\/li>\n<li id=\"menu-item-286\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-286\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/heterojunction-bipolar-transistors-hbts\/\">Heterojunction Bipolar Transistors (HBTs)<\/a><\/li>\n<li id=\"menu-item-287\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-287\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/resonant-tunneling-devices\/\">Resonant Tunneling Devices<\/a><\/li>\n<li id=\"menu-item-288\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-288\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/transport-in-semiconductors\/\">Transport in Semiconductors<\/a><\/li>\n<li id=\"menu-item-289\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-289\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/noise-in-semiconductor-devices\/\">Noise in Semiconductor Devices<\/a><\/li>\n<li id=\"menu-item-290\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-290\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/thz-assisted-counterfeit-detection\/\">THz Assisted Counterfeit Detection<\/a><\/li>\n<li id=\"menu-item-292\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-292\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/engineered-nanostructures-for-authentication\/\">Engineered Nanostructures for Authentication<\/a><\/li>\n<li id=\"menu-item-305\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-305\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/solar-blind-detector\/\">Solar Blind Detector<\/a><\/li>\n<li id=\"menu-item-381\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-381\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/photonics\/\">Photonics<\/a><\/li>\n<li id=\"menu-item-382\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-382\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/si-related-devices\/\">Si &amp; Related Devices<\/a><\/li>\n<li id=\"menu-item-383\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-383\"><a href=\"https:\/\/www.ee.uconn.edu\/anwar-research\/fundamental-physics\/\">Fundamental Physics<\/a><\/li>\n<\/ul><\/div><\/div><\/div><div id=\"pgc-168-0-1\"  class=\"panel-grid-cell\" ><div id=\"panel-168-0-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><span style=\"font-size: 24pt\"><strong>Quantum Cascade Laser<\/strong><\/span><\/p>\n<hr \/>\n<p>ZnO\/ZnMgO is investigated as a possible material platform for room temperature QCL operating at THz frequencies. Theoretical calculations suggest better performance as compared to comparable III-Nitride material system. Higher calculated optical output powers [PZnMgO = 2.89 mW (nonpolar) at 5.27 THz and 2.75 mW (polar) at 4.93 THz] are obtained with the ZnO\/Zn0.95Mg0.05O structure as compared with GaN\/Al0.05Ga0.95N QCLs [PAlGaN = 2.37 mW (nonpolar) at 4.67 THz and 2.29 mW (polar) at 4.52 THz]. A higher wall-plug efficiency (WPE) is obtained for ZnO\/ZnMgO QCLs [24.61% (nonpolar) and 23.12% (polar)] when compared with GaN\/AlGaN structures [14.11% (nonpolar) and 13.87% (polar)].<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-185 aligncenter\" src=\"http:\/\/www.ee.uconn.edu\/anwar-research\/wp-content\/uploads\/sites\/38\/2018\/10\/QCL-300x130.png\" alt=\"\" width=\"300\" height=\"130\" srcset=\"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-content\/uploads\/sites\/38\/2018\/10\/QCL-300x130.png 300w, https:\/\/www.ee.uconn.edu\/anwar-research\/wp-content\/uploads\/sites\/38\/2018\/10\/QCL.png 370w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Publications<\/strong><\/p>\n<ul>\n<li><a class=\"gsc_a_at\">Room-Temperature Quantum Cascade Laser: ZnO\/Zn1\u2212 xMgxO Versus GaN\/AlxGa1\u2212 xN<\/a>\n<div class=\"gs_gray\">HC Chou, A Mazady, J Zeller, T Manzur, M Anwar<\/div>\n<div class=\"gs_gray\">Journal of electronic materials 42 (5), 882-888<\/div>\n<\/li>\n<li><a class=\"gsc_a_at\">ZnO\/Zn<sub>1\u2212x<\/sub>Mg<sub>x<\/sub>O QCL: A high power room temperature THz source<\/a>\n<div class=\"gs_gray\">HC Chou, J Zeller, T Manzur, M Anwar<\/div>\n<div class=\"gs_gray\">Lester Eastman Conference on High Performance Devices (LEC), 2012, 1-4<\/div>\n<\/li>\n<li><a class=\"gsc_a_at\">Nitride THz GaN quantum cascade lasers<\/a>\n<div class=\"gs_gray\">HC Chou, M Anwar, T Manzur, J Zeller, AK Sood<\/div>\n<div class=\"gs_gray\">Semiconductor Device Research Symposium (ISDRS), 2011 International, 1-2<\/div>\n<\/li>\n<li><a class=\"gsc_a_at\">STRAIN INDUCED ACTIVE LAYER DESIGN OF GaN-THz QUANTUM CASCADE LASERS<\/a>\n<div class=\"gs_gray\">T MANZUR, M ANWAR<\/div>\n<div class=\"gs_gray\">International Journal of High Speed Electronics and Systems 20 (03), 621-627<\/div>\n<\/li>\n<li><a class=\"gsc_a_at\">Active layer design of THz GaN quantum cascade lasers<\/a>\n<div class=\"gs_gray\">HC Chou, T Manzur, M Anwar<\/div>\n<div class=\"gs_gray\">Terahertz Physics, Devices, and Systems V: Advance Applications in Industry\u00a0\u2026<\/div>\n<\/li>\n<li><a class=\"gsc_a_at\">GaN-based THz advanced quantum cascade lasers for manned and unmanned systems<\/a>\n<div class=\"gs_gray\">AFM Anwar, T Manzur, KR Lefebvre, EM Carapezza<\/div>\n<div class=\"gs_gray\">Unmanned\/Unattended Sensors and Sensor Networks VI 7480, 748012<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Quantum Cascade Laser ZnO\/ZnMgO is investigated as a possible material platform for room temperature QCL operating at THz frequencies. Theoretical calculations suggest better performance as compared to comparable III-Nitride material system. Higher calculated optical output powers [PZnMgO = 2.89 mW (nonpolar) at 5.27 THz and 2.75 mW (polar) at 4.93 THz] are obtained with the [&hellip;]<\/p>\n","protected":false},"author":66,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-noside-menu.php","meta":{"footnotes":""},"class_list":["post-168","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/pages\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/comments?post=168"}],"version-history":[{"count":7,"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/pages\/168\/revisions"}],"predecessor-version":[{"id":256,"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/pages\/168\/revisions\/256"}],"wp:attachment":[{"href":"https:\/\/www.ee.uconn.edu\/anwar-research\/wp-json\/wp\/v2\/media?parent=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}