{"id":338,"date":"2025-10-09T23:39:59","date_gmt":"2025-10-09T23:39:59","guid":{"rendered":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/?p=338"},"modified":"2026-03-15T05:48:17","modified_gmt":"2026-03-15T05:48:17","slug":"ecoc2025","status":"publish","type":"post","link":"https:\/\/photonics.ws.hosei.ac.jp\/wp\/?p=338","title":{"rendered":"ECOC2025"},"content":{"rendered":"\n<p>\u5149\u901a\u4fe1\u306e\u30c8\u30c3\u30d7\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u4e00\u3064\u3067\u3042\u308bECOC\u306b\u3066\u3001\u4e0b\u8a18\u306e\u767a\u8868\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u4f1a\u8b70\u306b\u6cd5\u653f\u5927\u5b66\u304c\u53c2\u52a0\u3059\u308b\u306e\u306f\u304a\u305d\u3089\u304f\u521d\u3081\u3066\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><u>T. Fujisawa<\/u><\/strong>, Y. Tsuji, T. Mitarai, Y. Sawada, T. Okimoto, T. Hiratani, K. Komatsu, H. Yagi, and N. Fujiwara, \u201cUltrasmall mode exchangers based on mosaic structure designed by gradient direct binary search method,\u201d 51th European Conference and Exhibition on Optical Communication (ECOC 2025), Paper W.02.01.28, Kopenhagen, Denmark, Sept. 2025.<\/li>\n\n\n\n<li>T. Hiratani, K. Komatsu, H. Fujikata, N. Fujiwara, N. Inoue, T. Kikuchi, T. Mitarai, S. Kimura, T. Okimoto, Y. Sawada, E. Bannno, T. Matsui, <strong><u>T. Fujisawa<\/u><\/strong>, N. Nishiyama, and H. Yagi, \u201cScalable multi-band narrow linewidth operation by a single-chip tunable laser with InP\/Si heterogeneous integration,\u201d 51th European Conference and Exhibition on Optical Communication (ECOC 2025), Paper W.03.02.2, Kopenhagen, Denmark, Sept. 2025.<\/li>\n<\/ul>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_338\" class=\"pvc_stats all  \" data-element-id=\"338\" 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 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