{"id":3037,"date":"2021-06-21T16:13:35","date_gmt":"2021-06-21T13:13:35","guid":{"rendered":"https:\/\/sites.uef.fi\/photonics\/?page_id=3037"},"modified":"2024-01-16T10:37:53","modified_gmt":"2024-01-16T08:37:53","slug":"quantum-photonics","status":"publish","type":"page","link":"https:\/\/sites.uef.fi\/photonics\/quantum-photonics\/","title":{"rendered":"Quantum photonics"},"content":{"rendered":"\n<p>We are constantly looking for talented and highly motivated applicants to join our research on quantum photonics. Contact person <a href=\"https:\/\/uefconnect.uef.fi\/en\/person\/andreas.norrman\/\">Asst. Prof. Andreas Norrman<\/a>.<\/p>\n\n\n\t<div id=\"accordion-block_11f909f00fd05adc12deeb02bc0ae7d8\" class=\"accordions\">\n\t\t\t\t\t<div class=\"accordion accordion-js\">\n\t\t\t\t<button class=\"accordion__button\" aria-controls=\"content-9579\" aria-expanded=\"false\" id=\"accordion-control-9579\">\n\t\t\t\t\t<h3 class=\"accordion__heading\" >\n\t\t\t\t\t\tQuantum vector-light complementarity\t\t\t\t\t<\/h3>\n\t\t\t\t<\/button>\n\t\t\t\t<div class=\"accordion__content\" role=\"region\" aria-labelledby=\"accordion-control-9579\" aria-hidden=\"true\" id=\"content-9579\">\n\t\t\t\t\t<p>The principle of complementarity, stating the quantum systems share mutually exclusive characteristics, has had a major significance for the foundations of physics and even a profound impact on the interpretation of the fundamental nature of reality. One of the most recognized manifestations of such complementarity is wave-particle duality, which restricts the coexistence of interferometric \u2018which-path information\u2019 (particle behavior) and fringe visibility (wave behavior) of quantum objects. Photons, in particular, may exhibit interference in terms of intensity fringes and\/or in terms of polarization-state fringes, the latter being a distinctive quality of vectorial light fields that has no correspondence in scalar light interferometry. In our research we explore the implications of this unique vector-light property and more generally the role of photon polarization in quantum complementarity contexts, revealing new foundational aspects about the dual wave-particle character of light.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4434\" src=\"https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-scalar1.jpg\" alt=\"\" width=\"278\" height=\"180\" srcset=\"https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-scalar1.jpg 546w, https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-scalar1-300x195.jpg 300w\" sizes=\"auto, (max-width: 278px) 100vw, 278px\" \/>\u00a0 \u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4440\" src=\"https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-vector1.jpg\" alt=\"\" width=\"278\" height=\"180\" srcset=\"https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-vector1.jpg 547w, https:\/\/sites.uef.fi\/photonics\/wp-content\/uploads\/sites\/150\/2022\/02\/research-coherence-vector1-300x194.jpg 300w\" sizes=\"auto, (max-width: 278px) 100vw, 278px\" \/><\/p>\n<p><em><strong>Left:<\/strong> Scalar light. <strong>Right:<\/strong> Vector light<\/em><\/p>\n<p><strong>Contact persons:<br \/>\n<\/strong>Asst. Prof.\u00a0<a href=\"https:\/\/uefconnect.uef.fi\/en\/person\/andreas.norrman\/\">Andreas Norrman<\/a><br \/>\nProf.\u00a0<a href=\"https:\/\/uefconnect.uef.fi\/en\/person\/tero.setala\/\">Tero Set\u00e4l\u00e4<\/a><br \/>\nProf.\u00a0<a href=\"https:\/\/uefconnect.uef.fi\/en\/person\/ari.friberg\/\">Ari T. Friberg<\/a><\/p>\n<ol>\n<li>A. Norrman, K. Blomstedt, T. Set\u00e4l\u00e4, and A. T. Friberg, \u201cComplementarity and polarization modulation in photon interference\u201d,\u00a0<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.119.040401\"><em>Phys. Rev. Lett<\/em>.\u00a0<strong>119<\/strong>, 040401<\/a>\u00a0(2017).<\/li>\n<li>A. Norrman, A. T. Friberg, and G. Leuchs, \u201cVector-light quantum complementarity and the degree of polarization\u201d,\u00a0<a href=\"https:\/\/opg.optica.org\/optica\/fulltext.cfm?uri=optica-7-2-93&amp;id=426130\"><em>Optica<\/em>\u00a0<strong>7<\/strong>, 93<\/a>\u00a0(2020).<\/li>\n<\/ol>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t","protected":false},"excerpt":{"rendered":"<p>We are constantly looking for talented and highly motivated applicants to join our research on quantum photonics. Contact person Asst. Prof. Andreas Norrman.<\/p>\n","protected":false},"author":243,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3037","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quantum photonics - Center for Photonics Sciences<\/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:\/\/sites.uef.fi\/photonics\/quantum-photonics\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantum photonics - Center for Photonics Sciences\" \/>\n<meta property=\"og:description\" content=\"We are constantly looking for talented and highly motivated applicants to join our research on quantum photonics. 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