{"id":2558,"date":"2020-10-14T11:22:08","date_gmt":"2020-10-14T09:22:08","guid":{"rendered":"http:\/\/alumni.polimi.it\/?p=2558"},"modified":"2021-08-23T16:36:57","modified_gmt":"2021-08-23T14:36:57","slug":"programmare-la-luce","status":"publish","type":"post","link":"https:\/\/alumni.polimi.it\/en\/2020\/10\/14\/programmare-la-luce\/","title":{"rendered":"Programming light"},"content":{"rendered":"<p class=\"translation-block\"><strong>\u201cProgrammable\u201d optic circuits<\/strong> are the new frontier in integrated photonics. Their potential has been outlined in a study published in the prestigious magazine, <strong>Nature<\/strong>, by the <strong> Politecnico di Milano <\/strong>together with Stanford University, the Max Planck Institute, the Massachusetts Institute of Technology, Gent University and the Universitat Polit\u00e8cnica de Val\u00e8ncia.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-1024x683.jpg\" alt=\"\" data-id=\"2562\" class=\"wp-image-2562\" srcset=\"https:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-1024x683.jpg 1024w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-300x200.jpg 300w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-768x512.jpg 768w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-1536x1024.jpg 1536w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/2020\/10\/Figura_Programmare_la_luce-1-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p class=\"translation-block\">Photonics has permeated into many applications and contexts, and <strong>\u201cgeneral purpose\u201d optical circuits that can be directly programmed by the end user <\/strong> are now a necessity. These circuits are the optical version of the well-known electronic <strong>FPGA (Field Programmable Gate Array)<\/strong>, and differ from circuits specifically created to carry out just one unique function. This versatility means <strong>one product can be used for many applications<\/strong>, therefore reducing research and development times, as well as offering considerable cost savings and better accessibility to these technologies.<\/p>\n\n\n\n<p class=\"translation-block\"><p>Programmable optical circuits are completely generic items that can be <strong>configured &ldquo;on demand&rdquo;<\/strong> to meet a particular purpose. The most commonly used strategy is to arrange a <strong>mesh of interconnecting optical guides on a photonic chip, whose nodes can be programmed via software and managed thanks to calibration and control algorithms.<\/strong> This means that the light is distributed, redirected and recombined to rapidly carry out the required function with minimal energy consumption. If the function carried out by the circuit needs to be changed, it just has to be reprogrammed and does not need to be physically replaced.<\/p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.nature.com\/articles\/s41586-020-2764-0\" target=\"_blank\" rel=\"noreferrer noopener\">Find our more<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>I&nbsp;circuiti ottici \u201cprogrammabili\u201d&nbsp;sono oggi la nuova frontiera della fotonica integrata. Le loro potenzialit\u00e0 sono state pubblicate dalla prestigiosa rivista&nbsp;Nature,&nbsp;in uno studio del&nbsp;Politecnico di Milano&nbsp;insieme alla Stanford University, al Max Planck [&hellip;]<\/p>\n","protected":false},"author":44,"featured_media":25424,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cat_ricerca"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Programmare la luce - Alumni<\/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:\/\/alumni.polimi.it\/en\/2020\/10\/14\/programmare-la-luce\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Programmare la luce - Alumni\" \/>\n<meta property=\"og:description\" content=\"I&nbsp;circuiti ottici \u201cprogrammabili\u201d&nbsp;sono oggi la nuova frontiera della fotonica integrata. 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