{"id":404158,"date":"2025-01-08T18:33:54","date_gmt":"2025-01-08T18:33:54","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/s-parameter-sweep-for-ring-modulator\/"},"modified":"2025-01-08T18:33:54","modified_gmt":"2025-01-08T18:33:54","slug":"s-parameter-sweep-for-ring-modulator","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/s-parameter-sweep-for-ring-modulator\/","title":{"rendered":"S parameter sweep for ring modulator"},"content":{"rendered":"<p>&lt;p&gt;I am currently designing a ring modulator and have successfully simulated the transmission under different bias voltages in FDTD. I noticed that the Optical Time Variant S-Parameter element in INTERCONNECT allows the import of S-parameters for modulators to simulate eye diagrams. However, in the official examples and FDTD&rsquo;s sweep functionality, I only found methods for S-parameter sweeps of passive components.&lt;\/p&gt;&lt;p&gt;&lt;br&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/08-01-2025-1736361089-2025-01-09 023030.png\" alt=\"\" width=\"687\" height=\"312\" \/>&lt;br&gt;Could you please advise: how can I perform an S-parameter sweep for a modulator in FDTD? Is there a way to incorporate bias voltage variations into the sweep process and generate the corresponding S-parameters for use in INTERCONNECT&#8217;s Optical Time Variant S-Parameter element simulation?&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/08-01-2025-1736361188-2025-01-09 023249.png\" alt=\"\" width=\"483\" height=\"373\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-404158","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27833"],"_bbp_topic_id":["404158"],"_bbp_subscription":["468705","185544"],"_bbp_author_ip":["203.204.111.52"],"_bbp_last_reply_id":["404185"],"_bbp_last_active_id":["404185"],"_bbp_last_active_time":["2025-01-08 23:37:04"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["1"],"_btv_view_count":["138"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1736367322:473055"],"_bbp_engagement":["185544"]},"test":"l76124262gs-ncku-edu-tw"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/404158","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\/404158\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=404158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}