


{"id":349601,"date":"2024-02-07T09:24:15","date_gmt":"2024-02-07T09:24:15","guid":{"rendered":"\/forum\/forums\/topic\/eme-solver-how-can-i-get-an-s52\/"},"modified":"2024-02-07T09:24:15","modified_gmt":"2024-02-07T09:24:15","slug":"eme-solver-how-can-i-get-an-s52","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/eme-solver-how-can-i-get-an-s52\/","title":{"rendered":"EME solver &#8211; How can I get an S52"},"content":{"rendered":"<p>Hello everyone.<\/p>\n<p>I am studying the EME solver in MODE to use the EME solver for simulations.<\/p>\n<p>I am trying to obtain the following graph using the mode convergence sweep tool as described<\/p>\n<p>in &#8216;Convergence testing process for EME simulations&#8217; and &#8216;Convergence testing method&#8217;:&nbsp;<\/p>\n<p>(https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360037172994-Convergence-testing-process-for-EME-simulations)<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/02\/07-02-2024-1707281676-mceclip0.png\"><\/p>\n<p>In the course of my study using relevant examples, I learned that to obtain S_52, three modes need to be selected for each port.<\/p>\n<p>However, despite referring to the mode convergence sweep(https:\/\/www.youtube.com\/embed\/cTM5ICNg_50), I could not obtain the S-parameter and mode profile as shown in the attached image.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/02\/07-02-2024-1707282423-mceclip1.png\" width=\"304\" height=\"223\"><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/02\/07-02-2024-1707282470-mceclip2.png\" width=\"277\" height=\"220\"><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/02\/07-02-2024-1707282530-mceclip3.png\" width=\"287\" height=\"227\"><\/p>\n<p>To summarize, I&#8217;m curious about how to select modes at each port to obtain the S_52 graph based on the number of modes for convergence testing.<\/p>\n<p>I attempted to proceed with the fundamental mode but did not achieve the desired results. Additionally, when executing the &#8216;testing_convergence_EME.lsf&#8217; script, an error occurred at line 63 with &#8216;S52 = S.s52;&#8217;<\/p>\n<p>Apart from simulation questions, I also have conceptual inquiries. I find it difficult to understand the meaning of &#8216;S_52&#8217;, which is described as &#8216;the conversion efficiency from the TE1 input mode to the TM0 output mode.&#8217; Additionally, I&#8217;m curious about the reason for confirming mode 2 from port 1 input to port 2 output, as seen in the &#8216;S-matrix index mapping&#8217; image.<\/p>\n<p>I still feel like I&#8217;m in the early stages of learning and would appreciate any advice. Please let me know if there are any aspects I&#8217;m missing.<\/p>\n<p>Thank you.<\/p>\n<p>If you have any other questions or need further clarification, feel free to ask.<\/p>\n","protected":false},"template":"","class_list":["post-349601","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["337142","33648"],"_bbp_author_ip":["96.7.218.223"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["373"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["349601"],"_bbp_forum_id":["27833"],"_bbp_engagement":["33648","337142"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["350866"],"_bbp_last_active_id":["350866"],"_bbp_last_active_time":["2024-02-12 17:19:20"]},"test":"dbsminanhanyang-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/349601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/349601\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=349601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}