{"id":323,"date":"2025-07-09T07:41:52","date_gmt":"2025-07-09T07:41:52","guid":{"rendered":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/?p=323"},"modified":"2026-03-15T05:47:50","modified_gmt":"2026-03-15T05:47:50","slug":"%e5%a4%8f%e3%81%ae%e5%ad%a6%e4%bc%9a2025","status":"publish","type":"post","link":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/?p=323","title":{"rendered":"\u590f\u306e\u5b66\u4f1a2025"},"content":{"rendered":"\n<p>\u30a2\u30b8\u30a2\u6700\u5927\u306e\u5149\u901a\u4fe1\u56fd\u969b\u4f1a\u8b70OECC2025\u306b\u3066\u3001\u4e0b\u8a183\u4ef6\u306e\u767a\u8868\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><u>T. Fujisawa<\/u><\/strong>, and Y. Tsuji, \u201cBroadband asymmetric directional coupler based on SiN waveguide designed by adjoint method,\u201d Optoelectronics and Communications Conference (OECC 2025), Paper TuH3-2,\u00a0Sapporo, Japan, June 29 to July\u00a03, 2025.<\/li>\n\n\n\n<li>M. Taniguchi, T. Matsuzaki, A. Iguchi, T. Tsuji, and <strong><u>T. Fujisawa<\/u><\/strong>, \u201cStudy on efficient propagation analysis for photonic device optimization utilizing structural symmetry,\u201d Optoelectronics and Communications Conference (OECC 2025), Paper TuH3-3,\u00a0Sapporo, Japan, June 29 to July\u00a03, 2025.<\/li>\n\n\n\n<li>T. Mitarai, <strong><u>T. Fujisawa<\/u><\/strong>, Y. Sawada, T. Okimoto, Y. Koyama, H. Yagi, and N. Fujiwara \u201cPolarization beam splitters with compact mode demultiplexer using mosaic-based structure,\u201d Optoelectronics and Communications Conference (OECC 2025), Paper WE1-1,\u00a0Sapporo, Japan, June 29 to July\u00a03, 2025.<\/li>\n<\/ul>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_323\" class=\"pvc_stats all  \" data-element-id=\"323\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/photonics.ws.hosei.ac.jp\/wp\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u30a2\u30b8\u30a2\u6700\u5927\u306e\u5149\u901a\u4fe1\u56fd\u969b\u4f1a\u8b70OECC2025\u306b\u3066\u3001\u4e0b\u8a183\u4ef6\u306e\u767a\u8868\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_323\" class=\"pvc_stats all  \" data-element-id=\"323\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/photonics.ws.hosei.ac.jp\/wp\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-323","post","type-post","status-publish","format-standard","hentry","category-past-news","entry"],"_links":{"self":[{"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=323"}],"version-history":[{"count":1,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions"}],"predecessor-version":[{"id":324,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions\/324"}],"wp:attachment":[{"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}