{"id":383811,"date":"2024-09-23T17:59:56","date_gmt":"2024-09-23T17:59:56","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/383811\/"},"modified":"2024-09-23T17:59:56","modified_gmt":"2024-09-23T17:59:56","slug":"383811","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/383811\/","title":{"rendered":"Reply To: Way to produce a time pulse (Source) of nanosecond or femto second duration"},"content":{"rendered":"<p>&lt;p&gt;You can either use the default source pulse or create your own: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360034383114-Creating-a-custom-source-time-signal-for-an-FDTD-source&nbsp;&lt;\/p&gt;&lt;p&gt;example:&lt;\/p&gt;&lt;p&gt;https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042800113-Group-delay-analysis&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;But for the waveguide delay, you can accurately use FDE to get:&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/23-09-2024-1727114353-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/23-09-2024-1727114391-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042800453-Waveguide-FDE&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-383811","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/383811","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\/383811\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=383811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}