{"id":275850,"date":"2023-03-22T11:31:40","date_gmt":"2023-03-22T11:31:40","guid":{"rendered":"\/forum\/forums\/topic\/pml-vs-metal-boundary-condition-gives-different-value-of-the-propagation-loss\/"},"modified":"2023-03-22T11:31:40","modified_gmt":"2023-03-22T11:31:40","slug":"pml-vs-metal-boundary-condition-gives-different-value-of-the-propagation-loss","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/pml-vs-metal-boundary-condition-gives-different-value-of-the-propagation-loss\/","title":{"rendered":"PML vs metal  boundary condition  gives different value of the propagation loss"},"content":{"rendered":"<p>I am trying to calculate the propagation loss in the Si Nitride waveguide (Please see that attached figure). The propagation loss is different for different boundary<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/22-03-2023-1679484602-PML VS METAL BC.jpg\" alt=\"\"> condition. Also, what does negative loss means here?<\/p>\n","protected":false},"template":"","class_list":["post-275850","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["258479","2592"],"_bbp_author_ip":["23.192.164.18"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["593"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["275850"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","258479"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["276233"],"_bbp_last_active_id":["276233"],"_bbp_last_active_time":["2023-03-23 18:09:58"]},"test":"dubeyihp-microelectronics-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/275850","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\/275850\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=275850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}