{"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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"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\u2019s sweep functionality, I only found methods for\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/s-parameter-sweep-for-ring-modulator\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"S parameter sweep for ring modulator | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"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\u2019s sweep functionality, I only found methods for\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/s-parameter-sweep-for-ring-modulator\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-01-08T18:33:54+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-01-08T18:33:54+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"S parameter sweep for ring modulator | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"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. 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