{"id":387468,"date":"2024-09-30T08:17:33","date_gmt":"2024-09-30T08:17:33","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/directional-coupler-2\/"},"modified":"2024-09-30T08:17:33","modified_gmt":"2024-09-30T08:17:33","slug":"directional-coupler-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/directional-coupler-2\/","title":{"rendered":"Directional Coupler"},"content":{"rendered":"<p>&lt;p&gt;Hi,&nbsp;&lt;\/p&gt;&lt;p&gt;I&#8217;m trying to simulate a directional coupler in the EME solver&nbsp;&lt;\/p&gt;&lt;p&gt;For that, I defined my structure as followed : <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727683940-mceclip0.png\" \/>&lt;br&gt;But I can&#8217;t seem to get anything at my ports when I do a sweep of the coupling length from 0 to 500&micro;m:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727683969-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;So, I tried this configuration :&nbsp;&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727684034-mceclip2.png\" \/> where the upper waveguide is straight and the bottom one has 2 s-bends.&lt;br&gt;Thus, I get :&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727684211-mceclip3.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Can someone help me please ?&nbsp;&lt;br&gt;Is EME not the right solver for this ?&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank you very much!&lt;\/p&gt;&lt;p&gt;Sara&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387468","topic","type-topic","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=\"Hi, I&#039;m trying to simulate a directional coupler in the EME solver For that, I defined my structure as followed : But I can&#039;t seem to get anything at my ports when I do a sweep of the coupling length from 0 to 500\u00b5m: So, I tried this configuration : where the upper waveguide is straight and the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/directional-coupler-2\/\" \/>\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 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