{"id":2,"date":"2024-01-08T16:45:29","date_gmt":"2024-01-08T16:45:29","guid":{"rendered":"https:\/\/qureco.fisica.unimi.it\/?page_id=2"},"modified":"2025-05-29T14:33:07","modified_gmt":"2025-05-29T14:33:07","slug":"sample-page","status":"publish","type":"page","link":"https:\/\/qureco.fisica.unimi.it\/?page_id=2","title":{"rendered":"QRC: A short intro"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"394\" src=\"https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme-1024x394.png\" alt=\"\" class=\"wp-image-18\" style=\"width:606px;height:auto\" srcset=\"https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme-1024x394.png 1024w, https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme-300x115.png 300w, https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme-768x295.png 768w, https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme-1536x591.png 1536w, https:\/\/qureco.fisica.unimi.it\/wp-content\/uploads\/2024\/02\/scheme.png 2018w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:68px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<p>In recent years we have witnessed a growing interest for new quantum computation paradigms, beyond the \u201cstandard\u201d quantum gates architectures. In this scenario, Quantum Reservoir Computing (QRC) is an emerging field of quantum neuromorphic computing extending the classical paradigm of reservoir computing to the quantum realm. A primary<br>characteristic of QRC is its leveraging the dynamics of a complex quantum system, a \u201creservoir\u201d, to efficiently preprocess input quantum states in a way that allows to then easily recover target features via linear post-processing of the measurement data. Different reservoirs are best suited for different tasks. To process time-dependent signals, a reservoir must be able to hold an internal memory of the inputs seen at previous interactions. By contrast, memoryless reservoirs are sufficient for classification or recognition tasks. These protocols are also known as Extreme Learning Machines \u2013 ELM, or QELM for the quantum counterpart. The capabilities of QRC and QELM can be traced back to their exploiting dynamical evolutions exploring Hilbert spaces whose dimension increases exponentially with the number of reservoir constituents. This is determinant to obtain rich temporal dynamical behaviors, frequently achieved by introducing disorder in the interactions between system components.<\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Some useful references:<\/em><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><a href=\"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/qute.202100027\" data-type=\"link\" data-id=\"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/qute.202100027\">P. Mujal, R. Mart\u00ednez-Pena, J. Nokkala, J. Garc\u00eda-Beni, G.L. Giorgi, M.C. Soriano, R. Zambrini, Opportunities in Quantum Reservoir Computing and Extreme Learning Machines, Adv. Quantum Technol. 2100027 (2021).<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><a href=\"https:\/\/www.nature.com\/articles\/s42005-023-01233-w\" data-type=\"link\" data-id=\"https:\/\/www.nature.com\/articles\/s42005-023-01233-w\">L. Innocenti, S. Lorenzo, I. Palmisano, A. Ferraro, M. Paternostro, and G. M. Palma, Potential and limitations of quantum extreme learning machines, Communications Physics 6, 118 (2023).<\/a><\/p>\n\n\n\n<p><\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In recent years we have witnessed a growing interest for new quantum computation paradigms, beyond the \u201cstandard\u201d quantum gates architectures. In this scenario, Quantum Reservoir Computing (QRC) is an emerging field of quantum neuromorphic computing extending the classical paradigm of reservoir computing to the quantum realm. A primarycharacteristic of QRC is its leveraging the dynamics [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/pages\/2","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2"}],"version-history":[{"count":8,"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/pages\/2\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=\/wp\/v2\/pages\/2\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/qureco.fisica.unimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}