{"id":12627,"date":"2026-01-12T13:55:17","date_gmt":"2026-01-12T12:55:17","guid":{"rendered":"https:\/\/www.ims-chips.com\/?p=12627"},"modified":"2026-03-20T10:54:19","modified_gmt":"2026-03-20T09:54:19","slug":"reading-tip-of-the-month","status":"publish","type":"post","link":"https:\/\/www.ims-chips.com\/?p=12627","title":{"rendered":"Reading Tip of the Month"},"content":{"rendered":"\t\t
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Reading Tip of the Month<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Adaptive photonic and microfluidic chip packaging via 3D alignment structures<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Our Reading Tip of the Month highlights a recent publication by Markus Greul and Mathias Kaschel, focusing on advanced optofluidic integration and chip-level packaging strategies.<\/p>

Abstract <\/strong><\/p>

Combining photonic integrated circuits (PICs) with microfluidic devices offers new possibilities for optofluidic lab-on-a-chip applications. Their accurate assembly and packaging, particularly with precise alignment, remain challenging. This work presents a versatile optofluidic integration of photonic and microfluidic chips, designed for seamless implementation in diverse laboratory environments. A 3D-printed holder for stable, cost-effective, and convenient fiber-to-chip bonding is used to configure optical in- and outputs. It can be readily adapted to accommodate various grating coupler designs. The microfluidic chip side is fabricated via soft-lithography in polydimethylsiloxane (PDMS), and positioned onto the photonic chip via cone-shaped alignment guides that were printed directly onto it. For this, the conventional PDMS plasma bonding process was adapted for passive self-alignment with the PIC chip between the 100 \u03bcm-wide microfluidic channel and two grating couplers, each measuring 15 \u03bcm in length and 50 \u03bcm in width. In a proof-of-principle experiment, we detect the fluorescence of a fluorescein solution inside the microfluidic channels by delivering excitation and emission light through dedicated grating couplers. This configuration can address multiple sampling points along an optofluidic system to multiplex assays in a way that would be challenging to realize with conventional optical fibers.<\/p>

Klick hear to read the publication: \u00a0Adaptive photonic and microfluidic chip packaging via 3D alignment structures – ScienceDirect<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

New publication presents a 3D approach for precise and flexible photonic\u2013microfluidic chip integration<\/p>\n","protected":false},"author":1,"featured_media":12628,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-12627","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archiv"],"yoast_head":"\nReading Tip of the Month - Institut f\u00fcr Mikroelektronik Stuttgart<\/title>\n<meta name=\"description\" content=\"Photonics meets microfluidics\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ims-chips.com\/?p=12627\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reading Tip of the Month - Institut f\u00fcr Mikroelektronik Stuttgart\" \/>\n<meta property=\"og:description\" content=\"Photonics meets microfluidics\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ims-chips.com\/?p=12627\" \/>\n<meta property=\"og:site_name\" content=\"Institut f\u00fcr Mikroelektronik Stuttgart\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-12T12:55:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-20T09:54:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ims-chips.com\/wp-content\/uploads\/2026\/01\/1-s2.0-S2214180425002107-gr1_lrg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"712\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"meier\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"meier\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627\"},\"author\":{\"name\":\"meier\",\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/#\\\/schema\\\/person\\\/9839fb63530e7563aa83867413b8c6e7\"},\"headline\":\"Reading Tip of the Month\",\"datePublished\":\"2026-01-12T12:55:17+00:00\",\"dateModified\":\"2026-03-20T09:54:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627\"},\"wordCount\":254,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ims-chips.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/1-s2.0-S2214180425002107-gr1_lrg.jpg\",\"articleSection\":[\"Archiv\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627\",\"url\":\"https:\\\/\\\/www.ims-chips.com\\\/?p=12627\",\"name\":\"Reading Tip of the Month - 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