{"id":167691,"date":"2022-03-24T12:54:38","date_gmt":"2022-03-24T12:54:38","guid":{"rendered":"\/forum\/forums\/topic\/simulating-photonic-crystal-waveguide-boundary-conditions-and-satbility\/"},"modified":"2022-04-05T19:07:41","modified_gmt":"2022-04-05T19:07:41","slug":"simulating-photonic-crystal-waveguide-boundary-conditions-and-satbility","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulating-photonic-crystal-waveguide-boundary-conditions-and-satbility\/","title":{"rendered":"Simulating Photonic Crystal waveguide &#8211; Boundary conditions and satbility"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hi Lumerical team,<\/p>\n<p>I&#039;m doing simulations of light propagating in photonic crystal waveguide (air holes in a suspended membrane).<\/p>\n<p>When I downloaded the online <a href=\"https:\/\/support.lumerical.com\/hc\/en-us\/articles\/360042038473\" rel=\"nofollow\">example<\/a> &#8211; I noticed that in the boundary conditions tab of the FDTD options, the &quot;extend structure through pml&quot; option is enabled.<\/p>\n<p>This seems to be in contradiction to what I read about in the <a href=\"https:\/\/support.lumerical.com\/hc\/en-us\/articles\/360034382414-Always-extend-structures-through-PML-boundary-conditions\" rel=\"nofollow\">post here<\/a>:<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/015\/WWCW7J11MCES.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/015\/WWCW7J11MCES.png\" alt=\"image.png\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-167691","topic","type-topic","status-closed","hentry","topic-tag-convergence","topic-tag-LumericalFDTD-1","topic-tag-photoniccrystalwaveguide-1","topic-tag-photoniccrystals-1","topic-tag-pml"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_btv_view_count":["1217"],"_bbp_likes_count":["0"],"_bbp_subscription":["238753"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["167691"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","199467"],"_bbp_voice_count":["2"],"_bbp_reply_count":["10"],"_bbp_last_reply_id":["209514"],"_bbp_last_active_id":["209514"],"_bbp_last_active_time":["2022-04-05 19:07:41"]},"test":"amnonjwtechnion-ac-il"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/167691","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\/167691\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=167691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}