{"id":197385,"date":"2025-10-09T16:09:44","date_gmt":"2025-10-09T16:09:44","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\/"},"modified":"2025-10-09T16:09:54","modified_gmt":"2025-10-09T16:09:54","slug":"integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\/","title":{"rendered":"Integrated microlens and grating coupler for photonic integrated circuits"},"content":{"rendered":"<p>In this article, a multi-scale simulation workflow is introduced for the design of a fiber-to-waveguide coupling system for photonics integrated circuits. The microscopic light interactions with the grating coupler are simulated with Ansys Lumerical, while Ansys Zemax OpticStudio is used for macroscopic propagation and tolerancing. This application gallery example workflow consists of four steps. The first two simulate the system when light is propagated from the grating coupler to the fiber (&#8220;out&#8221; direction), whereas the last two steps simulate the system when light is propagated from the fiber to the grating coupler (&#8220;in&#8221; direction). The contributions to the system loss for both directions, as well as the tolerance to fiber lateral shift are analyzed.<br \/>\nRead the full article here: <a target=\"_blank\" href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/21008392675347\" rel=\"noopener\">https:\/\/optics.ansys.com\/hc\/en-us\/articles\/21008392675347<\/a><\/p>\n","protected":false},"template":"","class_list":["post-197385","topic","type-topic","status-publish","hentry","topic-tag-lumericalzemax"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"In this article, a multi-scale simulation workflow is introduced for the design of a fiber-to-waveguide coupling system for photonics integrated circuits. The microscopic light interactions with the grating coupler are simulated with Ansys Lumerical, while Ansys Zemax OpticStudio is used for macroscopic propagation and tolerancing. This application gallery example workflow consists of four steps. The\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Integrated microlens and grating coupler for photonic integrated circuits | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"In this article, a multi-scale simulation workflow is introduced for the design of a fiber-to-waveguide coupling system for photonics integrated circuits. The microscopic light interactions with the grating coupler are simulated with Ansys Lumerical, while Ansys Zemax OpticStudio is used for macroscopic propagation and tolerancing. This application gallery example workflow consists of four steps. The\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-10-09T16:09:44+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-10-09T16:09:54+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Integrated microlens and grating coupler for photonic integrated circuits | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In this article, a multi-scale simulation workflow is introduced for the design of a fiber-to-waveguide coupling system for photonics integrated circuits. The microscopic light interactions with the grating coupler are simulated with Ansys Lumerical, while Ansys Zemax OpticStudio is used for macroscopic propagation and tolerancing. This application gallery example workflow consists of four steps. The\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/lumericalzemax\\\/#listItem\",\"name\":\"Lumerical,Zemax\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/lumericalzemax\\\/#listItem\",\"position\":3,\"name\":\"Lumerical,Zemax\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/lumericalzemax\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\\\/#listItem\",\"name\":\"Integrated microlens and grating coupler for photonic integrated circuits\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\\\/#listItem\",\"position\":4,\"name\":\"Integrated microlens and grating coupler for photonic integrated circuits\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/lumericalzemax\\\/#listItem\",\"name\":\"Lumerical,Zemax\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/integrated-microlens-and-grating-coupler-for-photonic-integrated-circuits\\\/\",\"name\":\"Integrated microlens and grating coupler for photonic integrated circuits | Ansys Knowledge\",\"description\":\"In this article, a multi-scale simulation workflow is introduced for the design of a fiber-to-waveguide coupling system for photonics integrated circuits. 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