{"id":230984,"date":"2026-02-10T02:40:21","date_gmt":"2026-02-10T08:40:21","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/laser-written-glass-chip-pushes-quantum-communication-toward-practical-deployment"},"modified":"2026-02-10T02:40:21","modified_gmt":"2026-02-10T08:40:21","slug":"laser-written-glass-chip-pushes-quantum-communication-toward-practical-deployment","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/laser-written-glass-chip-pushes-quantum-communication-toward-practical-deployment","title":{"rendered":"Laser\u2011written glass chip pushes quantum communication toward practical deployment"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/laser-written-glass-chip-pushes-quantum-communication-toward-practical-deployment.jpg\"><\/a><\/p>\n<p>As quantum computers continue to advance, many of today\u2019s encryption systems face the risk of becoming obsolete. A powerful alternative\u2014quantum cryptography\u2014offers security based on the laws of physics instead of computational difficulty. But to turn quantum communication into a practical technology, researchers need compact and reliable devices that can decode fragile quantum states carried by light.<\/p>\n<p>A new study from teams at the University of Padua, Politecnico di Milano, and the CNR Institute for Photonics and Nanotechnologies shows how this goal can be approached using a simple material: borosilicate glass. As <a href=\"https:\/\/www.spiedigitallibrary.org\/journals\/advanced-photonics\/volume-8\/issue-01\/016009\/High-performance-heterodyne-receiver-for-quantum-information-processing-in-a\/10.1117\/1.AP.8.1.016009.full\" target=\"_blank\">reported<\/a> in <i>Advanced Photonics<\/i>, their work demonstrates a high-performance quantum coherent receiver fabricated directly inside glass using femtosecond laser writing. The approach provides low optical loss, stable operation, and broad compatibility with existing fiber-optic infrastructure\u2014key factors for scaling quantum technologies beyond the laboratory.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As quantum computers continue to advance, many of today\u2019s encryption systems face the risk of becoming obsolete. A powerful alternative\u2014quantum cryptography\u2014offers security based on the laws of physics instead of computational difficulty. But to turn quantum communication into a practical technology, researchers need compact and reliable devices that can decode fragile quantum states carried by [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1625,4,1617,1492],"tags":[],"class_list":["post-230984","post","type-post","status-publish","format-standard","hentry","category-computing","category-encryption","category-nanotechnology","category-quantum-physics","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=230984"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230984\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=230984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=230984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=230984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}