{"id":507,"date":"2023-07-04T10:26:55","date_gmt":"2023-07-04T01:26:55","guid":{"rendered":"https:\/\/www.elst.okayama-u.ac.jp\/en\/?page_id=507"},"modified":"2025-06-09T16:07:44","modified_gmt":"2025-06-09T07:07:44","slug":"areas08_elect","status":"publish","type":"page","link":"https:\/\/www.elst.okayama-u.ac.jp\/en\/education\/mc-suuri\/areas08_elect\/","title":{"rendered":"Optoelectronic and Electromagnetic Wave Engineering"},"content":{"rendered":"<h4>&nbsp;<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-69 aligncenter\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas08_elect\/theme.jpg\" alt=\"\" width=\"502\" height=\"450\"><\/p>\n<p>Research on wireless power transfer systems and devices using electromagnetic and acoustic waves, measurement systems for antenna system characteristics for mobile communications beyond 5G, network construction of IoT devices and sensor devices, medical devices using light, and sensor systems using optical fiber, etc.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.cc.okayama-u.ac.jp\/~opt\/\">Link to group homepage<\/a><\/li>\n<\/ul>\n<table class=\"el_table_fix\" style=\"width: 100%;height: 417px\">\n<tbody>\n<tr style=\"height: 208px\">\n<th style=\"width: 20%;height: 208px\"><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/tkahashi-photo.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-3082\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/tkahashi-photo.jpg\" alt=\"\" width=\"254\" height=\"254\" srcset=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/tkahashi-photo.jpg 254w, https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/tkahashi-photo-150x150.jpg 150w\" sizes=\"auto, (max-width: 254px) 100vw, 254px\" \/><\/a><\/th>\n<td style=\"width: 80%;height: 208px\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Prof.TAKAHASHI Yasushi&nbsp;<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: p32b59wk<span id=\"content_ousdb1_lp$002fitem$005b4$005d$002fsys_mail\"><span style=\"color: #0000ff\"> [at]<\/span> <\/span>okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">High-Q Nanocavity, photonic Charge Sensor, Silicon Photonics, Space Photonics<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/3342c1aa465ddb83bc16db0f9fd601f5_en.html\">Directory of Researchers<\/a>&nbsp;<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><div id=\"attachment_3083\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/5afd0eb12bfc36ecb8fd2077e3279f9e.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3083\" class=\"wp-image-3083 size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/5afd0eb12bfc36ecb8fd2077e3279f9e-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" srcset=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/5afd0eb12bfc36ecb8fd2077e3279f9e-300x198.jpg 300w, https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/5afd0eb12bfc36ecb8fd2077e3279f9e.jpg 360w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-3083\" class=\"wp-caption-text\">Optical Silicon Resonator<\/p><\/div> <div id=\"attachment_3084\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/75a3aa646e03f3345568841d825cdfb2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3084\" class=\"wp-image-3084 size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/75a3aa646e03f3345568841d825cdfb2-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" srcset=\"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/75a3aa646e03f3345568841d825cdfb2-300x198.jpg 300w, https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/75a3aa646e03f3345568841d825cdfb2.jpg 358w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-3084\" class=\"wp-caption-text\">Photonic Charge Sensor<\/p><\/div><\/p>\n<p>We are conducting research on &#8220;photonic chips&#8221; that use the properties of light to transmit information and detect microscopic, invisible changes. The material used is silicon, often referred to as the brain of AI, combined with a special structure called a photonic crystal. We have successfully developed the world&#8217;s smallest silicon laser, the world&#8217;s strongest light-confining optical cavity, and sensors that can safely operate in space. Our goal is to apply these technologies in data centers, satellites, and the medical field.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table class=\"el_table_fix\" style=\"width: 100%;height: 417px\">\n<tbody>\n<tr style=\"height: 208px\">\n<th style=\"width: 20%;height: 208px\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas08_elect\/FUJIMORI Kazuhiro.jpg\" width=\"320\" height=\"408\"><\/th>\n<td style=\"width: 80%;height: 208px\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Assoc. Prof. FUJIMORI Kazuhiro<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: <span id=\"content_ousdb1_lp$002fitem$005b4$005d$002fsys_mail\">fujimor<span style=\"color: #0000ff\"><span style=\"color: #000000\">i<\/span> [at]<\/span> <\/span>cc.okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">wireless power transfer, electromagnetic field measurement, IoT network, optical fiber sensor<br \/>\n<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/800a315ccd60207074506e4da22f6611_en.html\">Directory of Researchers<\/a>&nbsp;<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas08_elect\/img.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas08_elect\/img.png\" alt=\"\" width=\"266\" height=\"203\"><\/a><\/p>\n<p>We are researching the use of electromagnetic waves and electromagnetic fields to wirelessly supply power to drive devices located at a distance and networks in which IoT and sensor devices are embedded.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Research on wireless power transfer systems and devices using electromagnetic and acoustic waves, measu [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":140,"menu_order":68,"comment_status":"closed","ping_status":"closed","template":"template-layout_single.php","meta":{"footnotes":""},"class_list":["post-507","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Research on wireless power transfer systems 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