{"id":308840,"date":"2023-09-26T19:27:53","date_gmt":"2023-09-26T19:27:53","guid":{"rendered":"\/forum\/forums\/reply\/308840\/"},"modified":"2023-09-26T19:27:53","modified_gmt":"2023-09-26T19:27:53","slug":"308840","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/","title":{"rendered":"Reply To: Grating emission angle issue"},"content":{"rendered":"<p>&lt;p&gt;There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating&nbsp; so the waveguide neff is different from the WG grating.&lt;\/p&gt;&lt;p&gt;The trend is the same. there might be a systematic error.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-308840","reply","type-reply","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=\"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/\" \/>\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=\"Reply To: Grating emission angle issue | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-09-26T19:27:53+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-09-26T19:27:53+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Grating emission angle issue | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/#listItem\",\"name\":\"Reply To: Grating emission angle issue\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Grating emission angle issue\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/\",\"name\":\"Reply To: Grating emission angle issue | Ansys Learning Forum\",\"description\":\"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/308840\\\/#breadcrumblist\"},\"datePublished\":\"2023-09-26T19:27:53+00:00\",\"dateModified\":\"2023-09-26T19:27:53+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Grating emission angle issue | Ansys Learning Forum","description":"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/#listItem","name":"Reply To: Grating emission angle issue"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/#listItem","position":2,"name":"Reply To: Grating emission angle issue","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/","name":"Reply To: Grating emission angle issue | Ansys Learning Forum","description":"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/#breadcrumblist"},"datePublished":"2023-09-26T19:27:53+00:00","dateModified":"2023-09-26T19:27:53+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: Grating emission angle issue | Ansys Learning Forum","og:description":"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/","article:published_time":"2023-09-26T19:27:53+00:00","article:modified_time":"2023-09-26T19:27:53+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Grating emission angle issue | Ansys Learning Forum","twitter:description":"There might be theoretical issue you may need to consider. Does the theory works for all the duty cycle cases? is the SiN grating effective index correct? it is bragg waveguide grating so the waveguide neff is different from the WG grating.The trend is the same. there might be a systematic error."},"aioseo_meta_data":{"post_id":"308840","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":"content","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":true,"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":"2024-10-28 17:43:19","updated":"2026-08-12 05:53:54","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\tReply To: Grating emission angle issue\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Grating emission angle issue","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/308840\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/308840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/308840\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=308840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}