


{"id":391875,"date":"2024-10-29T23:57:14","date_gmt":"2024-10-29T23:57:14","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-modulator\/"},"modified":"2024-10-29T23:57:14","modified_gmt":"2024-10-29T23:57:14","slug":"electrostatic-simulations-of-a-modulator","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-modulator\/","title":{"rendered":"Electrostatic simulations of a modulator"},"content":{"rendered":"<p>&lt;p class=&#8221;MsoNormal&#8221;&gt;Hello,&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;I have a question regarding simulating electro-optic modulators. I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. I set the potential of one of the contacts to zero while the voltage applied to the second contact is being swept from 0 V to 5 V. I record the electric field in the LNO. As seen in the image below, the spatial distribution of the absolute value of the electric field in the LNO appears asymmetric. This does not make much sense to me. Where do you think this could be coming from?&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Thank you!<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/29-10-2024-1730246204-mceclip1.png\" \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/29-10-2024-1730246192-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-391875","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=\"Hello, I have a question regarding simulating electro-optic modulators. I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. I set the potential of one\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-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=\"Electrostatic simulations of a modulator | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello, I have a question regarding simulating electro-optic modulators. I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. I set the potential of one\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-modulator\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-29T23:57:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-10-29T23:57:14+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Electrostatic simulations of a modulator | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello, I have a question regarding simulating electro-optic modulators. I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. 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I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. 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In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. I set the potential of one","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-modulator\/","article:published_time":"2024-10-29T23:57:14+00:00","article:modified_time":"2024-10-29T23:57:14+00:00","twitter:card":"summary_large_image","twitter:title":"Electrostatic simulations of a modulator | Ansys Learning Forum","twitter:description":"Hello, I have a question regarding simulating electro-optic modulators. I am trying to simulate a modulator, as shown in the schematic below. In my simulation, LNO and Si are defined as semiconductors while SiO2 is defined as a dielectric. I use two gold contacts on the side. I set the potential of one"},"aioseo_meta_data":{"post_id":"391875","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 08:32:29","updated":"2025-10-19 08:32:29","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tElectrostatic simulations of a modulator\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"Electrostatic simulations of a modulator","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/electrostatic-simulations-of-a-modulator\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["131.215.220.163"],"_btv_view_count":["378"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["2592","192317"],"_bbp_topic_id":["391875"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","192317"],"_bbp_voice_count":["2"],"_bbp_reply_count":["10"],"_bbp_last_reply_id":["393037"],"_bbp_last_active_id":["393037"],"_bbp_last_active_time":["2024-11-06 17:13:47"]},"test":"sokhoyancaltech-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/391875","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\/391875\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=391875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}