


{"id":387755,"date":"2024-10-02T06:10:44","date_gmt":"2024-10-02T06:10:44","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modelling-third-harmonics-generation-thg-from-surface-of-crystalline-silicone\/"},"modified":"2024-10-02T06:10:44","modified_gmt":"2024-10-02T06:10:44","slug":"modelling-third-harmonics-generation-thg-from-surface-of-crystalline-silicone","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modelling-third-harmonics-generation-thg-from-surface-of-crystalline-silicone\/","title":{"rendered":"Modelling Third Harmonics Generation (THG) from Surface of Crystalline Silicone"},"content":{"rendered":"<p>&lt;p&gt;Dear Lumerical Staff !&lt;\/p&gt;&lt;p&gt;I am involved in a project that needs to simulate the measurement result of this paper using Ansys FDTD.&lt;br&gt;&#8221;Surface third and fifth harmonic generation at crystalline Si for non-invasive inspection of Si wafer&rsquo;s inter-layer defects&#8221;&nbsp;&lt;\/p&gt;&lt;p&gt;I want to see how the Third Harmonics intensity changes when the polarization changes with different crystalline orientations and doping. The expected result looks similar to the result from this paper as shown in Figure 1&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/02-10-2024-1727848342-mceclip0.png\" width=\"878\" height=\"357\" \/>&lt;\/p&gt;&lt;p&gt;I tried to run some simple simulations for nonlinear optics from the link below and replace the order susceptibility value by sweeping it with a different polarization angle and plotting the spectrum. The result shows expected tendencies with TH intensity varied with input polarization angle as shown in figure 2. (chi3 was set as 2.45*10^19)&lt;\/p&gt;&lt;p&gt;https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042190413-Harmonic-generation-with-a-chi2-material&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/02-10-2024-1727848783-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;I have several questions as follow:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ol>\n<li>&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;Can I simulate Si with different crystalline orientations? For example, [100] [111]?&lt;\/span&gt;<\/li>\n<li>&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;Can I add different doping conditions &lt;\/span&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;to the simulations&lt;\/span&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;, &lt;\/span&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;like P-type&lt;\/span&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt; or N-type doping?&lt;\/span&gt;<\/li>\n<li>&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;Does Lumerical have any standard database for the Nonlinear Susceptibility coefficient?&nbsp;&lt;\/span&gt;<\/li>\n<\/ol>\n<p>&lt;p&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;Hope to hear from you guys soon&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span data-preserver-spaces=&#8221;true&#8221;&gt;Best Regard.&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387755","topic","type-topic","status-publish","hentry","topic-tag-nonlinear"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["302131","2592"],"_bbp_author_ip":["143.248.68.203"],"_btv_view_count":["232"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["387755"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","302131"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["387858"],"_bbp_last_active_id":["387858"],"_bbp_last_active_time":["2024-10-02 17:45:07"]},"test":"huyhoang-chukaist-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/387755","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\/387755\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=387755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}