{"id":393649,"date":"2024-11-11T19:44:31","date_gmt":"2024-11-11T19:44:31","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/"},"modified":"2024-11-11T19:44:31","modified_gmt":"2024-11-11T19:44:31","slug":"393649","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/","title":{"rendered":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution"},"content":{"rendered":"<p>&lt;p&gt;Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?&lt;\/p&gt;&lt;p&gt;If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042038613-Bandstructure-of-a-magneto-optical-waveguide&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-393649","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=\"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/\" \/>\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: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-11T19:44:31+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-11T19:44:31+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:\" \/>\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\\\/393649\\\/#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\\\/393649\\\/#listItem\",\"name\":\"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393649\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution\",\"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\\\/393649\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393649\\\/\",\"name\":\"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum\",\"description\":\"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393649\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-11T19:44:31+00:00\",\"dateModified\":\"2024-11-11T19:44:31+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: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum","description":"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/#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\/393649\/#listItem","name":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/#listItem","position":2,"name":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution","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\/393649\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/","name":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum","description":"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/#breadcrumblist"},"datePublished":"2024-11-11T19:44:31+00:00","dateModified":"2024-11-11T19:44:31+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: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum","og:description":"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/","article:published_time":"2024-11-11T19:44:31+00:00","article:modified_time":"2024-11-11T19:44:31+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution | Ansys Learning Forum","twitter:description":"Which product you are using? FDE? Could you elaborate more how do you select the forward and backward direction in FDE?If it is from 3D FDTD, you can change the source injection direction. But I tested this online case and the result is the same, since it uses bandstructure method regardless the source injection direction:"},"aioseo_meta_data":{"post_id":"393649","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":"2025-10-17 17:05:34","updated":"2026-08-12 08:58:30","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: Difference between answers in version 2024 and 2017 lumerical mode solution\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Difference between answers in version 2024 and 2017 lumerical mode solution","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393649\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/393649","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\/393649\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=393649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}