{"id":387738,"date":"2024-10-01T21:18:45","date_gmt":"2024-10-01T21:18:45","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/"},"modified":"2024-10-01T21:18:45","modified_gmt":"2024-10-01T21:18:45","slug":"387738","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/","title":{"rendered":"Reply To: Directional Coupler"},"content":{"rendered":"<p>&lt;p&gt;This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell.&nbsp; Please try the second device with more number of cells and make sure the power coupling is correct.&lt;\/p&gt;&lt;p&gt;You can check the mode overlao matrix at each cell and see if the coupling is lowere. Please refer to those articles:&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/search\/click?data=BAh7DjoHaWRsKwid3MDTUwA6D2FjY291bnRfaWRpA02AjDoJdHlwZUkiDGFydGljbGUGOgZFVDoIdXJsSSJgaHR0cHM6Ly9vcHRpY3MuYW5zeXMuY29tL2hjL2VuLXVzL2FydGljbGVzLzM2MDAzNDkxNzUzMy1VbmRlcnN0YW5kaW5nLUVNRS1lcnJvci1kaWFnbm9zdGljcwY7CFQ6DnNlYXJjaF9pZEkiKTQxYzU2YzlkLTM2Y2EtNDY1My04YjZkLWMyMjY5NWU1Mjk3ZAY7CEY6CXJhbmtpDjoLbG9jYWxlSSIKZW4tdXMGOwhUOgpxdWVyeUkiDmVtZSB0YXBlcgY7CFQ6EnJlc3VsdHNfY291bnRpAY0%3D--ada057f02a064f71428332828b2a9a700d29a93f\">Understanding EME error diagnostics<\/a>&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/search\/click?data=BAh7DjoHaWRsKwgCR%2BPTUwA6D2FjY291bnRfaWRpA02AjDoJdHlwZUkiDGFydGljbGUGOgZFVDoIdXJsSSJsaHR0cHM6Ly9vcHRpY3MuYW5zeXMuY29tL2hjL2VuLXVzL2FydGljbGVzLzM2MDAzNzE3Mjk5NC1Db252ZXJnZW5jZS10ZXN0aW5nLXByb2Nlc3MtZm9yLUVNRS1zaW11bGF0aW9ucwY7CFQ6DnNlYXJjaF9pZEkiKTg2NTczNTY1LThhNTMtNDFkYi04N2IxLTBkMDZlNmQ0MDJlOQY7CEY6CXJhbmtpBzoLbG9jYWxlSSIKZW4tdXMGOwhUOgpxdWVyeUkiDmVtZSB0YXBlcgY7CFQ6EnJlc3VsdHNfY291bnRpAY0%3D--f983e5a150aedae8a45a405dfc87af55f4c33b7c\">Convergence testing process for EME simulations<\/a>&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/search\/click?data=BAh7DjoHaWRsKwgTPOd0AwQ6D2FjY291bnRfaWRpA02AjDoJdHlwZUkiDGFydGljbGUGOgZFVDoIdXJsSSJraHR0cHM6Ly9vcHRpY3MuYW5zeXMuY29tL2hjL2VuLXVzL2FydGljbGVzLzQ0MTI4OTI3MjQyNDMtRU1FLUNvbnZlcmdlbmNlLVRlc3RpbmctQW4tSW50dWl0aXZlLUFwcHJvYWNoBjsIVDoOc2VhcmNoX2lkSSIpNDQ1NWM0NzYtZDk5My00MTA4LWI3MDgtMmVhYjIyMWIyMjVmBjsIRjoJcmFua2kHOgtsb2NhbGVJIgplbi11cwY7CFQ6CnF1ZXJ5SSIOZW1lIHRhcGVyBjsIVDoScmVzdWx0c19jb3VudGkBjQ%3D%3D--d101f245e77fa7587e86263e0ca613ec7e4fabbc\">EME Convergence Testing &#8211; An Intuitive Approach<\/a>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387738","reply","type-reply","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=\"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Directional Coupler | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-01T21:18:45+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-10-01T21:18:45+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Directional Coupler | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/#listItem\",\"name\":\"Reply To: Directional Coupler\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Directional Coupler\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/\",\"name\":\"Reply To: Directional Coupler | Ansys Learning Forum\",\"description\":\"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/387738\\\/#breadcrumblist\"},\"datePublished\":\"2024-10-01T21:18:45+00:00\",\"dateModified\":\"2024-10-01T21:18:45+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Directional Coupler | Ansys Learning Forum","description":"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/#listItem","name":"Reply To: Directional Coupler"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/#listItem","position":2,"name":"Reply To: Directional Coupler","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/","name":"Reply To: Directional Coupler | Ansys Learning Forum","description":"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/#breadcrumblist"},"datePublished":"2024-10-01T21:18:45+00:00","dateModified":"2024-10-01T21:18:45+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: Directional Coupler | Ansys Learning Forum","og:description":"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/","article:published_time":"2024-10-01T21:18:45+00:00","article:modified_time":"2024-10-01T21:18:45+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Directional Coupler | Ansys Learning Forum","twitter:description":"This is most likely due to lack of number of cells in the curved sections. EME depends on the mode matching at adjunct cells. If the waveguide shape changes fast, the mode power cannot effectively be transferred to the next cell. Please try the second device with more number of cells and make sure the"},"aioseo_meta_data":{"post_id":"387738","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 16:25:13","updated":"2026-08-12 08:26:47","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: Directional Coupler\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Directional Coupler","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/387738\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/387738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/387738\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=387738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}