{"id":197288,"date":"2025-10-17T12:08:39","date_gmt":"2025-10-17T12:08:39","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/gaas-algaas-electro-absorption-modulator-2\/"},"modified":"2025-10-17T12:08:43","modified_gmt":"2025-10-17T12:08:43","slug":"gaas-algaas-electro-absorption-modulator-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/gaas-algaas-electro-absorption-modulator-2\/","title":{"rendered":"GaAs-AlGaAs Electro Absorption Modulator"},"content":{"rendered":"<p>In this example, we demonstrate the workflow for simulating a Quantum Confined Stark Effect (QCSE) Electro Absorption Modulator (EAM) based on a GaAs\/AlGaAs quantum well structure. The simulated absorption vs. electric field will be compared with the measurements given in a reference. The simulation workflow in this example is significantly simplified and improved in Lumerical release 2022 R2.1, thanks to the new CHARGE\/MQW coupled mode. In addition, variational method implemented in Lumerical release 2023 R2.1 can be used as an alternative to the direct method in the MQW solver for faster simulation.<br \/>\nRead the full article here: <a target=\"_blank\" href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500003780782\" rel=\"noopener\">https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500003780782<\/a><\/p>\n","protected":false},"template":"","class_list":["post-197288","topic","type-topic","status-publish","hentry","topic-tag-lumerical"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":[""],"_bbp_topic_id":[""],"_bbp_last_active_time":[""],"_bbp_author_ip":["184.24.96.186"],"_wp_page_template":["default"],"_btv_view_count":["85"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/197288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/197288\/revisions"}],"predecessor-version":[{"id":197475,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/197288\/revisions\/197475"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=197288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}