{"id":285868,"date":"2023-05-26T04:26:05","date_gmt":"2023-05-26T04:26:05","guid":{"rendered":"\/forum\/forums\/topic\/waveguide-dimensions\/"},"modified":"2023-05-26T04:26:05","modified_gmt":"2023-05-26T04:26:05","slug":"waveguide-dimensions","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/waveguide-dimensions\/","title":{"rendered":"Waveguide dimensions"},"content":{"rendered":"<p>When simulating a waveguide, in FDE or FDTD, for 1550 nm wavelength source,<\/p>\n<ul>\n<li>for 250nm x 150nm , the 1st mode with TE polarization fraction is 73&nbsp;<\/li>\n<li><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/26-05-2023-1685075088-mceclip3.png\"><\/li>\n<li>for 400nm x220nm, the&nbsp; 1st mode with TE polarization fraction is 96 <img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/26-05-2023-1685074595-mceclip2.png\"><\/li>\n<li>for 800nm x 400nm&nbsp; , the 1st mode with&nbsp; TE polarization fraction is 100<\/li>\n<li><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/26-05-2023-1685074401-mceclip1.png\"><\/li>\n<\/ul>\n<p>So am I correct in concluding that the optimal geometry of the waveguide is 800nmx400nm, as I want fundamental TE mode(TE00) since TE polarisation fraction is 100?<\/p>\n","protected":false},"template":"","class_list":["post-285868","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["284692","2592"],"_bbp_author_ip":["96.7.74.191"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["544"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["285868"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","284692"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["286086"],"_bbp_last_active_id":["286086"],"_bbp_last_active_time":["2023-05-27 08:15:10"]},"test":"thenmozhi-elango-21ucl-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/285868","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\/285868\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=285868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}