{"id":398051,"date":"2024-12-19T18:44:57","date_gmt":"2024-12-19T18:44:57","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/query-regarding-broadband-simulations-in-fdtd\/"},"modified":"2024-12-19T18:44:57","modified_gmt":"2024-12-19T18:44:57","slug":"query-regarding-broadband-simulations-in-fdtd","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/query-regarding-broadband-simulations-in-fdtd\/","title":{"rendered":"Query regarding broadband simulations in FDTD"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;I want to know about the broadband simulations in FDTD. I am trying to simulate a simple Si waveguide (with roughness) wrapped by SiO2. I want to consider a wideband (0.4um to 1.6um) as a multifrequency source. How should I decide if I want the frequency dependent profiles or not, how many profile samples, number of trial modes, and frequency points in the monitors? I dont want to lose the accuracy but limited to around 250 threads of computational load. What would be the best method to run an efficient simulations?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398051","topic","type-topic","status-publish","hentry","topic-tag-3DFDTD-1","topic-tag-broadband-1","topic-tag-surface-roughness-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I want to know about the broadband simulations in FDTD. I am trying to simulate a simple Si waveguide (with roughness) wrapped by SiO2. I want to consider a wideband (0.4um to 1.6um) as a multifrequency source. 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