{"id":1859,"date":"2025-11-21T12:06:52","date_gmt":"2025-11-21T03:06:52","guid":{"rendered":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/?p=1859"},"modified":"2025-11-21T13:22:33","modified_gmt":"2025-11-21T04:22:33","slug":"20251121","status":"publish","type":"post","link":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/news2025\/20251121\/","title":{"rendered":"Aspire Exchange Visit by a PhD Student from Saarland University"},"content":{"rendered":"<p>Since November 10, David, a PhD student from Professor Becher&#8217;s group at Saarland University in Germany and a longtime research partner, has been visiting our lab.<br \/>\nDavid studies nonlinear optics for diamond color-center\u2013based quantum repeaters, and his stay provides a valuable opportunity for him to learn about our latest research while we also get to learn from his expertise.<\/p>\n<p>For our students, it has been an inspiring experience. They have actively discussed research with him and exchanged ideas about cultural differences in English.<\/p>\n<p>David will remain with us until the end of November.<\/p>\n<p>At our lab, we aim to continue improving our experimental techniques, expanding our global network of quantum researchers, and fostering international exchanges like this.<\/p>\n<div id='gallery-1' class='gallery galleryid-1859 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30.jpg'><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30-300x169.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1863\" srcset=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30-300x169.jpg 300w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30-1024x575.jpg 1024w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30-768x432.jpg 768w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-30.jpg 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1863'>\n\t\t\t\tDavid joining experiments in our lab\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31.jpg'><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31-300x169.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1862\" srcset=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31-300x169.jpg 300w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31-1024x576.jpg 1024w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31-768x432.jpg 768w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-31.jpg 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1862'>\n\t\t\t\tSharing and teaching each other experimental techniques\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32.png'><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32-300x169.png\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1861\" srcset=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32-300x169.png 300w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32-1024x576.png 1024w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32-768x432.png 768w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-32.png 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1861'>\n\t\t\t\tEngaging in deep discussions on theory and methods\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33.jpg'><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33-300x169.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1860\" srcset=\"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33-300x169.jpg 300w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33-1024x576.jpg 1024w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33-768x432.jpg 768w, https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-content\/uploads\/2025\/11\/image-33.jpg 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1860'>\n\t\t\t\tLab students and David sharing lively conversations\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Since November 10, David, a PhD student from Professor Becher&#8217;s group at Saarland University in Germany and a longtime research partner, has been visiting our lab. David studies nonlinear optics for diamond color-center\u2013based quantum repeaters, and his stay provides a valuable opportunity for him to learn about our latest research while we also get to learn from his expertise. For our students, it has been an inspiring experience. They have actively discussed research with him and exchanged ideas about cultural differences in English. David will remain with us until the end of November. At our lab, we aim to continue improving our experimental techniques, expanding our global network of quantum [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1863,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"news_cat":[44],"class_list":["post-1859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news2025","news_cat-student-activities"],"_links":{"self":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/types\/post"}],"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=1859"}],"version-history":[{"count":4,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1859\/revisions"}],"predecessor-version":[{"id":1867,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1859\/revisions\/1867"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/media\/1863"}],"wp:attachment":[{"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/media?parent=1859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/categories?post=1859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/tags?post=1859"},{"taxonomy":"news_cat","embeddable":true,"href":"https:\/\/kosaka-lab.ynu.ac.jp\/en\/wp-json\/wp\/v2\/news_cat?post=1859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}