{"id":19979,"date":"2025-07-06T10:17:36","date_gmt":"2025-07-06T08:17:36","guid":{"rendered":"https:\/\/thesmartcityjournal.cibeles.net\/sin-categoria\/cracking-the-quantum-code-light-and-glass-are-set-to-transform-computing\/"},"modified":"2025-07-06T10:18:36","modified_gmt":"2025-07-06T08:18:36","slug":"cracking-the-quantum-code-light-and-glass-are-set-to-transform-computing","status":"publish","type":"post","link":"https:\/\/www.thesmartcityjournal.com\/en\/technology\/cracking-the-quantum-code-light-and-glass-are-set-to-transform-computing","title":{"rendered":"Cracking the quantum code: light and glass are set to transform computing"},"content":{"rendered":"<p><i><span style=\"font-weight: 400\">European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs in computing power, battery technology and scientific discovery<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">Giulia Acconcia grew up in the picturesque, historic town of Spoleto, nestled in the foothills of Italy\u2019s Apennine Mountains. Already in secondary school, she became fascinated with modern technology \u2013 a passion that would shape her future.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Her love of electronics led her to the Polytechnic University of Milan, Italy, where she now finds herself at the forefront of quantum computing research.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Unlike the computers and smartphones we use every day that rely on silicon chips and moving electrons, photonic quantum computers harness the power of light particles, or photons, to process information at astonishing speeds.<\/span><\/p>\n<h2>Quantum acceleration<\/h2>\n<p><span style=\"font-weight: 400\">Quantum computers promise to be much faster than today\u2019s devices and capable of tackling complex problems that currently stump even the most advanced machines. But this technology faces significant hurdles before delivering commercial value, which several firms and research organisations around the world are working to solve.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Despite the challenges, things are moving forward. \u201cWe have seen a lot of progress in the last two to three years, at a pace nobody really expected,\u201d said theoretical physicist Andrea Rocchetto.<\/span><\/p>\n<p><span style=\"font-weight: 400\">He is the co-founder of Ephos, an Italian company involved in a collaborative EU-funded research initiative named QLASS, which is being coordinated by Acconcia.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The initiative, managed by the Fondazione Politecnico di\u202fMilano, brings together a team of researchers from top research facilities and SMEs in France, Italy and Germany. They are seeking to improve quantum performance by harnessing the properties of glass.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Their mission is to leverage the glass chips built by Ephos to develop a photonic quantum computer. The chips manufactured by Ephos use light, rather than electricity, to process information. They feature up to 200 reconfigurable optical modes, allowing them to dynamically adjust how light spreads across the chip.<\/span><\/p>\n<p><span style=\"font-weight: 400\">But working with light at such a tiny scale is not easy.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u201cYou have to use materials that can transmit light. This is challenging because you have to confine light, but avoid absorption,\u201d said Acconcia. \u201cIf it is absorbed, it won\u2019t travel.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400\">The QLASS researchers are developing a machine that could overcome these challenges.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Their goal is to generate single photons and guide them through glass circuits \u2013 something that could help solve real-world problems, like designing better batteries, discovering new drugs, or even unlocking the mysteries of the universe.<\/span><\/p>\n<h2>Heart of glass<\/h2>\n<p><span style=\"font-weight: 400\">One of their most promising innovations is laser writing in glass, a cutting-edge technique developed by Ephos that could help quantum technology reach new heights.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ephos is unique in making quantum photonic chips out of glass.<\/span><\/p>\n<p><span style=\"font-weight: 400\">In their process, light particles are generated and travel along an optical fibre and into this chip. Everything is made from glass, so there is less risk of photons straying along the way.<\/span><\/p>\n<p><span style=\"font-weight: 400\">That is crucial, since losing even a photon means losing valuable information.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The task is complex and requires a truly pan-European effort. In Germany, Pixel Photonics is perfecting ultra-sensitive detectors to capture each photon, while Schott\u202fAG supplies the high-quality glass substrates.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Over in Italy, Acconcia\u2019s team in Milan develops the high-performance electronics that drive the system, while experts in experimental quantum optics at Rome\u2019s Sapienza University handle single photon generation.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Meanwhile, in France, the Unitary Foundation France is building open-source software to facilitate quantum operations. Teams at the National Centre for Scientific Research and the Universit\u00e9 de Montpellier are modelling advanced energy-storage solutions, crucial groundwork for future quantum-driven applications.<\/span><\/p>\n<p><span style=\"font-weight: 400\">This collaborative network aligns perfectly with Europe\u2019s Digital Decade and Chips Act goals to deploy the continent\u2019s first quantum-accelerated supercomputer by 2025 and to nurture a home-grown quantum-chip industry by 2030.<\/span><\/p>\n<h2>Betting big on quantum<\/h2>\n<p><span style=\"font-weight: 400\">The drive to make computers faster and more powerful is facing physical limits of how much we can downsize silicon chips. Quantum computers are an entirely different beast, but scientists still have work to do to tame them.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The QLASS researchers share a common goal: to build an operational photonic quantum device at Sapienza University by 2026. Once completed, software developed at the Universit\u00e9 de Montpellier and the Unitary Foundation will put this device to the test.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Its first challenge? Designing better lithium-ion batteries, essential for storing renewable energy and electrifying European transport. This is something that excites Acconcia.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u201cThis appeals to my interest in green technologies,\u201d she said. \u201cDoing research takes a long time, but when you get so close to application, you feel you can really make a difference in the near future.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400\">By using variational quantum algorithms \u2013 special instructions that help quantum machines solve problems more efficiently \u2013 quantum computing could simulate battery chemistry, speed up the search for new materials, and even improve how we monitor battery health.<\/span><\/p>\n<h2>Commercial interest<\/h2>\n<p><span style=\"font-weight: 400\">Meanwhile, the Quantum Technologies Flagship, a decade-long EU initiative launched in 2018, is supporting commercial quantum applications with a \u20ac1 billion budget.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u201cOverall, Europe is competitive with the US and China in terms of our deep talent pool, and Europe has quite a diverse and rich startup scene,\u201d said Rocchetto. \u201cThough we do lack big commercial players with the deep, deep pockets of the US.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400\">Quantum computers could transform chemistry, too. While scientists understand the rules governing atoms and compounds, tracking their interactions in real time is incredibly complex \u2013 beyond the reach of today\u2019s silicon computers.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u201cSimulating quantum systems is likely to help us with drug discovery and the discovery of new materials,\u201d said Rocchetto. He believes quantum computing will ultimately open new doors.\u201cIt will enable us to discover more about the universe itself. That is the number one reason why we should build these machines.\u201d<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Text: Anthony Kink<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">This article was originally published\u202fin\u00a0<\/span><\/i><a href=\"https:\/\/click.agilitypr.delivery\/ls\/click?upn=u001.GclUUJChuko1d5QKCr6OFXNLR-2FcO4phjG50DSKK2Rz139zxb3ZQeubThcqhdjVuxc8gAXKhxFmIbzTctA5ixTZOydmAXijpYSbYqfxapxEuydAO1CDHBmLvK0v3kTcr5sw0y_5LJHyUQ0b96z4aZefDszxx5tpjJCG2cb5of2UELM8zopdvg-2FTjwx00-2Bi9loKlZQUduu7XlSZZfsS697xwUwV9NW3S0g1aYpuTaYZCTWlxFEq4QrYjNWvtGpNSjJI59tZt6FQ91P1N1NIXozj-2Fd0QAKvGKy31X9g-2F7lV2BU7rQTPqnS7vaQyyHBWGy93SdgUywoAWcr4PEuQgdAZ2AWtgewsrPHGwjs6IPhmRnHQ9necjpSrKp35J2ORK9O-2BKT1-2FdVnMm-2Be7MWcSw6FPn5fQzeS-2FiUOYfNrE0n57KD-2B9VhtJfwoUgHlG3tbDtNLgodiJmttEwTuSB5zwAsktCzpzDqnQnzRF3WPMYG42tpm3HLZzgDT6xFcAmG-2BBaORNWGXfY90Mgy5hdOD3Pw2MRZv8vwBJWJj-2BBtc1lsPb4ny-2FcvAUPSi0qTHLXLddYn-2FU61DIhYed13tX50u2qqi3tHY8c0neZRjkP7Iak2q6bl6s7yx8-3D\" target=\"_blank\" rel=\"nofollow noopener\"><i><span style=\"font-weight: 400\">Horizon<\/span><\/i><\/a><i><span style=\"font-weight: 400\">\u00a0the EU Research and Innovation Magazine.<\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs in computing power, battery technology and scientific discovery Giulia Acconcia grew up in the picturesque, historic town of Spoleto, nestled in the foothills of Italy\u2019s Apennine Mountains. Already in secondary school, she became fascinated with modern technology \u2013 a\u2026<\/p>\n","protected":false},"author":2,"featured_media":19978,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_scj_primary_category_id":51,"_scj_featured":false,"_scj_featured_from":"","_scj_featured_until":"","_scj_featured_order":0,"_scj_visibility_class":"current","_scj_layout_family":"standard","_scj_article_style":"","_scj_display_overrides":[],"_scj_intro_image_id":19978,"_scj_intro_alt":"Cracking the quantum code: light and glass are set to transform computing","_scj_intro_caption":"","_scj_intro_class":"","_scj_intro_float":"","_scj_full_image_id":19978,"_scj_full_alt":"Cracking the quantum code: light and glass are set to transform computing","_scj_full_caption":"","_scj_full_class":"","_scj_full_float":"","_scj_media_type":"","_scj_media_provider":"","_scj_media_external_id":"","_scj_media_url":"","_scj_media_poster_id":0,"_scj_media_width":0,"_scj_media_height":0,"_scj_media_aspect_ratio":"","_scj_media_description":"","_scj_gallery_items":[],"_scj_related_post_ids":[],"_scj_additional_authors":[],"scj_layout_family":"standard","scj_media_provider":"","scj_media_url":"","scj_full_caption":"","footnotes":""},"categories":[51],"tags":[227,2160,183,1340],"class_list":["post-19979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-innovation","tag-quantum-computing","tag-research","tag-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cracking the quantum code: light and glass are set to transform computing - thesmartcityjournal.com<\/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:\/\/www.thesmartcityjournal.com\/en\/technology\/cracking-the-quantum-code-light-and-glass-are-set-to-transform-computing\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cracking the quantum code: light and glass are set to transform computing - thesmartcityjournal.com\" \/>\n<meta property=\"og:description\" content=\"European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs in computing power, battery technology and scientific discovery Giulia Acconcia grew up in the picturesque, historic town of Spoleto, nestled in the foothills of Italy\u2019s Apennine Mountains. 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