{"id":163605,"date":"2021-11-01T11:41:42","date_gmt":"2021-11-01T11:41:42","guid":{"rendered":"\/forum\/forums\/topic\/cascaded-s-parameters-interconnect\/"},"modified":"2022-05-19T11:11:10","modified_gmt":"2022-05-19T11:11:10","slug":"cascaded-s-parameters-interconnect","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cascaded-s-parameters-interconnect\/","title":{"rendered":"Cascaded S-parameters Interconnect"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Dear community,<\/p>\n<p>I&#039;m trying to simulate cascaded interfaces through &quot;Optical N port S-parameter elements&quot;. Both complex S11 and S21 are not constant. When S11 has low values the spectrum I get through an ONA has some dips, what I observe is that when S11 gets high values those dips get a weird S-shape, see attached. Why is this happening?<\/p>\n<p>Regards,<\/p>\n<p>Ilias<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/585\/LMPO0H0734LH.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/585\/LMPO0H0734LH.jpg\" alt=\"question_lumerical_edit.jpg\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-163605","topic","type-topic","status-closed","hentry","topic-tag-interconnect","topic-tag-lumerical","topic-tag-s-parameters"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["298"],"_bbp_likes_count":["0"],"_bbp_subscription":["65236"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["163605"],"_bbp_forum_id":["27833"],"_bbp_engagement":["65236","185544","255711"],"_bbp_voice_count":["3"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["196504"],"_bbp_last_active_id":["196504"],"_bbp_last_active_time":["2022-05-19 11:11:10"]},"test":"i-skandalossoton-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/163605","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\/163605\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=163605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}