{"id":6279,"date":"2022-01-26T09:00:52","date_gmt":"2022-01-26T06:00:52","guid":{"rendered":"http:\/\/unam.bilkent.edu.tr\/en\/?post_type=tribe_events&#038;p=6279"},"modified":"2022-01-26T09:02:02","modified_gmt":"2022-01-26T06:02:02","slug":"towards-reconfigurable-digital-complex-photonic-systems","status":"publish","type":"tribe_events","link":"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/","title":{"rendered":"Towards reconfigurable digital complex photonic systems"},"content":{"rendered":"<h5>Hasan Y\u0131lmaz<\/h5>\n<p>MSN Graduate Program and UNAM<\/p>\n<hr \/>\n<p>Optical waves scattered or emitted by materials carry information in temporal (spectral) or spatial domains. Perhaps, the most prominent example of optical information is an optical image that is created by an optical microscope. With the emergence of information technology, optical information can be digitized and computationally processed. Computational optical imaging systems typically map spatial and spectral information of light waves to the spatial properties of materials. However, most optical materials are complex (three-dimensional and opaque): we cannot see inside or behind them. This is because opaque materials\u2019 refractive index is inhomogeneously distributed in space. Incident light waves scatter into random directions upon propagation through opaque materials such as clouds, mil kor biological tissue, which scrambles the spatial information. Such a random light scattering process complicates the mapping between scattered light waves and three-dimensional structures.<\/p>\n<p>In this talk, first I will introduce the transmission matrix concept which maps the incident light waves to the scattered light waves through complex optical materials. The main ingredient of this talk will be the \u2018transmission-matrix-based operator\u2019 approach. I will show that the transmission matrix not only enables us to transport optical information through a complex material (e.g. a layer of white paint or multimode fiber), but it also enables us to modify the relationship between certain incident waves, scattered waves, and the configuration of the system. Our \u2018transmission-matrix-based operator\u2019 approach provides a general framework for designing and creating a desired input-output relationship of classical and quantum light waves for various applications in imaging, metrology, and communication through complex materials.<\/p>\n<p>Finally, I will introduce the inverse scattering problem in complex photonic systems such as multiple-scattering materials. Benefiting from the \u2018transmission-matrix-based operator\u2019 approach, I will briefly propose reconfigurable digital complex photonic systems. Such systems will not only be ideal hardware platforms to physically simulate inverse scattering problems but also lead to reconfigurable multimode photonic devices such as dynamic mode converters, mode demultiplexers, etc.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6280\" src=\"http:\/\/unam.bilkent.edu.tr\/en\/wp-content\/uploads\/2022\/01\/hasan-yilmaz-abstract-300x93.png\" alt=\"\" width=\"300\" height=\"93\" srcset=\"https:\/\/unam.bilkent.edu.tr\/en\/wp-content\/uploads\/2022\/01\/hasan-yilmaz-abstract-300x93.png 300w, https:\/\/unam.bilkent.edu.tr\/en\/wp-content\/uploads\/2022\/01\/hasan-yilmaz-abstract-768x239.png 768w, https:\/\/unam.bilkent.edu.tr\/en\/wp-content\/uploads\/2022\/01\/hasan-yilmaz-abstract.png 908w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>About Speaker<\/strong><\/h3>\n<p>Hasan Y\u0131lmaz is currently an assistant professor at Bilkent University, the Institute of Materials Science and Nanotechnology. His research interests cover experimental and computational optics and photonics, light scattering, optical imaging and spectroscopy, computational imaging, wavefront shaping, spatiotemporal control of light, complex photonic materials, mesoscopic physics of light, statistical optics, laser physics and random matrix theory.<\/p>\n<p>Previously, he worked as a postdoctoral associate and an associate research scientist at Prof. Hui Cao\u2019s lab, Yale University, the Department of Applied Physics. He has received a Ph.D. degree from the University of Twente in the Netherlands for his thesis entitled \u201cAdvanced Optical Imaging with Scattering Lenses,\u201d with Prof. Allard Mosk in 2015. Before this, he has received a M.Sc. degree in Materials Science and Engineering at Ko\u00e7 University, where he worked with Prof. Ali Serpeng\u00fczel at the Microphotonics Research Laboratory. He has a B.Sc. degree in Physics Engineering from \u0130stanbul Technical University.<\/p>\n<hr \/>\n<p><strong>Join Zoom Meeting<br \/>\n<a href=\"https:\/\/zoom.us\/j\/95581724217\">https:\/\/zoom.us\/j\/95581724217<\/a><\/strong><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hasan Y\u0131lmaz MSN Graduate Program and UNAM Optical waves scattered or emitted by materials carry information in temporal (spectral) or spatial domains. Perhaps, the most prominent example of optical information [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6281,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[],"class_list":["post-6279","tribe_events","type-tribe_events","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Towards reconfigurable digital complex photonic systems - UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Towards reconfigurable digital complex photonic systems - UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi\" \/>\n<meta property=\"og:description\" content=\"Hasan Y\u0131lmaz MSN Graduate Program and UNAM Optical waves scattered or emitted by materials carry information in temporal (spectral) or spatial domains. Perhaps, the most prominent example of optical information [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/\" \/>\n<meta property=\"og:site_name\" content=\"UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-26T06:02:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unam.bilkent.edu.tr\/en\/wp-content\/uploads\/2022\/01\/hasan-yilmaz.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/\",\"url\":\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/\",\"name\":\"Towards reconfigurable digital complex photonic systems - UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi\",\"isPartOf\":{\"@id\":\"https:\/\/unam.bilkent.edu.tr\/en\/#website\"},\"datePublished\":\"2022-01-26T06:00:52+00:00\",\"dateModified\":\"2022-01-26T06:02:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/unam.bilkent.edu.tr\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Events\",\"item\":\"https:\/\/unam.bilkent.edu.tr\/en\/events\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Towards reconfigurable digital complex photonic systems\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/unam.bilkent.edu.tr\/en\/#website\",\"url\":\"https:\/\/unam.bilkent.edu.tr\/en\/\",\"name\":\"UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi\",\"description\":\"Bilkent UNAM\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/unam.bilkent.edu.tr\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Towards reconfigurable digital complex photonic systems - UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/unam.bilkent.edu.tr\/en\/event\/towards-reconfigurable-digital-complex-photonic-systems\/","og_locale":"en_US","og_type":"article","og_title":"Towards reconfigurable digital complex photonic systems - UNAM Nanoteknoloji Ara\u015ft\u0131rma Merkezi","og_description":"Hasan Y\u0131lmaz MSN Graduate Program and UNAM Optical waves scattered or emitted by materials carry information in temporal (spectral) or spatial domains. 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