{"id":218278,"date":"2025-07-19T02:19:53","date_gmt":"2025-07-19T07:19:53","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/07\/engineers-achieve-efficient-integration-of-quantum-dot-lasers-on-silicon-chiplets"},"modified":"2025-07-19T02:19:53","modified_gmt":"2025-07-19T07:19:53","slug":"engineers-achieve-efficient-integration-of-quantum-dot-lasers-on-silicon-chiplets","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/07\/engineers-achieve-efficient-integration-of-quantum-dot-lasers-on-silicon-chiplets","title":{"rendered":"Engineers achieve efficient integration of quantum dot lasers on silicon chiplets"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/engineers-achieve-efficient-integration-of-quantum-dot-lasers-on-silicon-chiplets.jpg\"><\/a><\/p>\n<p>Lasers that are fabricated directly onto silicon photonic chips offer several advantages over external laser sources, such as greater scalability. Furthermore, photonic chips with these \u201cmonolithically\u201d integrated lasers can be commercially viable if they can be manufactured in standard semiconductor foundries.<\/p>\n<p>III-V semiconductor lasers can be monolithically integrated with photonic chips by directly growing a crystalline layer of <a href=\"https:\/\/phys.org\/tags\/laser\/\" rel=\"tag\" class=\"\">laser<\/a> material, such as indium arsenide, on silicon substrate. However, photonic chips with such integrated laser source are challenging to manufacture due to mismatch between structures or properties of III-V semiconductor material and silicon. \u201cCoupling loss\u201d or the loss of optical power during transfer from laser source to silicon waveguides in the photonic chip is yet another concern when manufacturing <a href=\"https:\/\/phys.org\/tags\/photonic+chips\/\" rel=\"tag\" class=\"\">photonic chips<\/a> with monolithically integrated lasers.<\/p>\n<p>In a study that was recently published in the <a href=\"https:\/\/ieeexplore.ieee.org\/document\/10944565\" target=\"_blank\"><i>Journal of Lightwave Technology<\/i><\/a>, Dr. Rosalyn Koscica from the University of California, United States, and her team successfully integrated <a href=\"https:\/\/phys.org\/tags\/indium+arsenide\/\" rel=\"tag\" class=\"\">indium arsenide<\/a> quantum dot (QD) lasers monolithically on silicon photonics chiplets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lasers that are fabricated directly onto silicon photonic chips offer several advantages over external laser sources, such as greater scalability. Furthermore, photonic chips with these \u201cmonolithically\u201d integrated lasers can be commercially viable if they can be manufactured in standard semiconductor foundries. III-V semiconductor lasers can be monolithically integrated with photonic chips by directly growing a [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1617],"tags":[],"class_list":["post-218278","post","type-post","status-publish","format-standard","hentry","category-computing","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218278","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=218278"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218278\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=218278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=218278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=218278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}