{"id":99,"date":"2022-08-18T15:54:49","date_gmt":"2022-08-18T06:54:49","guid":{"rendered":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/?page_id=99"},"modified":"2026-03-25T10:44:38","modified_gmt":"2026-03-25T01:44:38","slug":"projects","status":"publish","type":"page","link":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/projects\/","title":{"rendered":"Ongoing Projects"},"content":{"rendered":"<h3>Moonshot Goal 6 &#8211; QuINT&nbsp;<\/h3>\n<p><strong>Project manager<\/strong>: Hideo Kosaka<br \/>\n<strong>Title<\/strong>: Development of Quantum Interfaces for Building Quantum Computer Networks<br \/>\n<strong>Term<\/strong>: FY 2020-2025<br \/>\n<strong>R&amp;D Themes<\/strong>: Diamond Quantum Memory, Optomechanical Cavity, Piezoelectric Microwave Cavity<br \/>\n<strong>Project Website:<br \/>\n<\/strong><a href=\"https:\/\/moonshot.ynu.ac.jp\/en\/index.html\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2022\/08\/logo-quint.png\" alt=\"QuINT\"><\/a><\/p>\n<h4>Summary<\/h4>\n<p>This project aims to develop an integrated system of quantum computers and quantum communication to realize a large-scale distributed quantum computer with fault tolerance (Fig. 1). We develop quantum interfaces that connect superconducting quantum computer chips via fiber-optic quantum communication (Fig. 2). With quantum memory and optomechanical crystals as our core technologies, we conduct research and development from diamond growth and diamond nanofabrication to 3D implementation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 40.842%;\">\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/img_62_kosaka01-en.png\" alt=\"Quantum computers and communication\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<figcaption>Fig. 1. Integration of quantum computers (QC) and quantum communication (QC).<\/figcaption><\/figure>\n<\/td>\n<td style=\"width: 59.158%;\">\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/img_62_kosaka02.png\" alt=\"Fiber-optic quantum communication\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<figcaption>Fig. 2. Fiber-optic quantum communication between quantum computers.<\/figcaption><\/figure>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Milestones<\/h4>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1287\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/MSmilestones.jpg\" alt=\"\" width=\"700\" height=\"246\" srcset=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/MSmilestones.jpg 802w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/MSmilestones-300x105.jpg 300w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/MSmilestones-768x270.jpg 768w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<h4>Links<\/h4>\n<div class=\"list-projects\">\n<ul>\n<li><a href=\"https:\/\/moonshot.ynu.ac.jp\/en\/index.html\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2022\/08\/logo-quint.png\" alt=\"QuINT\"><\/a><\/li>\n<li><a href=\"https:\/\/www.jst.go.jp\/moonshot\/en\/program\/goal6\/62_kosaka.html\" target=\"_blank\" rel=\"noopener\">Moonshot Goal 6 (JST)<\/a><\/li>\n<li><a href=\"https:\/\/www8.cao.go.jp\/cstp\/english\/moonshot\/sub6_en.html\" target=\"_blank\" rel=\"noopener\">Moonshot Goal 6 (Cabinet Office)<\/a><\/li>\n<\/ul>\n<\/div>\n<h4>Project Media<\/h4>\n<div class=\"lab-list\">\n<ul>\n<li style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone wp-image-731 size-large\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/JST-progress-report-FY2022-thumbnail.jpg\" alt=\"\" width=\"1024\" height=\"576\"><br \/>\n<a href=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/Team-structure.jpg\" target=\"_blank\" rel=\"noopener\">R&amp;D Themes and Team Structure<\/a><\/li>\n<li style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone wp-image-731 size-large\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2024\/07\/JST-progress-report-FY2022.jpg\" alt=\"\" width=\"1024\" height=\"576\"><br \/>\n<a href=\"https:\/\/www.jst.go.jp\/moonshot\/en\/program\/goal6\/files\/62_kosaka_ap.pdf\" target=\"_blank\" rel=\"noopener\">JST progress report until FY 2022<\/a><\/li>\n<li style=\"text-align: center;\">\n<div style=\"max-width: 560px;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/bSOaHOd0kKQ?si=BoIVZXcbqDLXzkxF\" width=\"100%\" height=\"245\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/div>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=bSOaHOd0kKQ&amp;t=1s\" target=\"_blank\" rel=\"noopener\">2023 Moonshot International Symposium Talk<\/a><\/li>\n<\/ul>\n<\/div>\n<h3>MIC &#8211; Research and development of key technologies for realizing the quantum internet<\/h3>\n<p><a href=\"https:\/\/www.soumu.go.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2022\/08\/soumusyou-logo.jpg\" alt=\"\u7dcf\u52d9\u7701\"><\/a><br \/>\nMinistry of Internal Affairs and Communications National Project (MIC) &#8220;Research and development of key technologies for realizing the quantum internet&#8221;<br \/>\nTerm: FY2023-2027<\/p>\n<h3>ASPIRE Japan-Germany Quantum Technologies Joint Research Project \uff0dDIAMONDQTECH<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4018\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/02\/Aspire.png\" alt=\"\" width=\"480\" height=\"64\"><\/p>\n<p>Japanese Principal Investigator: Dr. Takeshi Oshima (Director of the Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and Technology (QST))<br \/>\nGerman Principal Investigator: Professor Fedor Jelezko (Professor at the Institute of Quantum Optics, Ulm University, Germany)<br \/>\nTitle: Diamond spin qubits for quantum applications (DIAMONDQTECH)<br \/>\nProfessor Kosaka&#8217;s\uff08Co-PI\uff09 research theme: Quantum Communication<br \/>\nTerm: FY2025-2029<\/p>\n<h4>Summary<\/h4>\n<p>The ASPIRE Program (Adopting Sustainable Partnerships for Innovative Research Ecosystem) aims to strengthen and enhance Japan\u2019s scientific and technological capabilities. It fosters international collaboration in strategically important scientific fields by connecting top researchers from Japan to researchers in advanced STI countries and regions. The program seeks to accelerate the international circulation of talent within Japan\u2019s research community.<\/p>\n<p>In the Japan-Germany joint research field of quantum technologies the project \u201cDiamond spin qubits for quantum applications (DIAMONDQTECH)\u201d has been selected.&nbsp; Professor Kosaka will participate as a Co-PI (Principal Co-Investigator) for the research theme \u201cQuantum Communication.\u201d<\/p>\n<h4>Links<\/h4>\n<div class=\"list-projects\">\n<ul>\n<li><a href=\"https:\/\/www.jst.go.jp\/aspire\/en\/index.html\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/02\/Aspire.png\" alt=\"ASPIRE\" width=\"480\" height=\"64\"><\/a><\/li>\n<li><a href=\"https:\/\/www.jst.go.jp\/pr\/info\/info1750\/index_e.html\" target=\"_blank\" rel=\"noopener\">JST Press Release<\/a><\/li>\n<li><a href=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/lab\/student\/#aspire\" target=\"_blank\" rel=\"noopener\">Aspire Information for students<\/a><br \/>\n<a href=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/lab\/student\/#aspire\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/05\/2025-Kosaka-Lab-aspire.jpg\" alt=\"ASPIRE\" width=\"468\" height=\"168\"><\/a><\/li>\n<\/ul>\n<\/div>\n<h4>Project Media<\/h4>\n<div class=\"lab-list\">\n<ul>\n<li style=\"text-align: center;\"><a href=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/07\/ASPIRE_kickoffmeeting2025.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone wp-image-731 size-large\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/07\/aspire-kickoff.jpg\" alt=\"\" width=\"1024\" height=\"576\"><\/a><br \/>\n<a href=\"https:\/\/kosaka-lab.ynu.ac.jp\/japanese\/wp-content\/uploads\/2025\/07\/ASPIRE_kickoffmeeting2025.pdf\" target=\"_blank\" rel=\"noopener\">ASPIRE Kick-off Meeting Slides<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"list-projects\">&nbsp;<\/div>\n<div class=\"list-projects\">&nbsp;<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Moonshot Goal 6 &#8211; QuINT&nbsp; Project manager: Hideo Kosaka Title: Development of Quantum Interfaces for Building Quantum Computer Networks Term: FY 2020-2025 R&amp;D Themes: Diamond Quantum Memory, Optomechanical Cavity, Piezoelectric Microwave Cavity Project Website: Summary This project aims to develop an integrated system of quantum computers and quantum communication to realize a large-scale distributed quantum computer with fault tolerance (Fig. 1). We develop quantum interfaces that connect superconducting quantum computer chips via fiber-optic quantum communication (Fig. 2). With quantum memory and optomechanical crystals as our core technologies, we conduct research and development from diamond growth and diamond nanofabrication to 3D implementation. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Fig. 1. Integration of quantum computers (QC) and quantum [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":49,"comment_status":"closed","ping_status":"closed","template":"page\/projects.php","meta":{"footnotes":""},"class_list":["post-99","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/pages\/99","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/comments?post=99"}],"version-history":[{"count":56,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/pages\/99\/revisions"}],"predecessor-version":[{"id":2023,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/pages\/99\/revisions\/2023"}],"wp:attachment":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/media?parent=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}