{"id":132236,"date":"2021-12-11T17:22:19","date_gmt":"2021-12-12T01:22:19","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2021\/12\/a-new-super-cooled-microwave-source-boosts-the-scale-up-of-quantum-computers"},"modified":"2021-12-11T17:22:19","modified_gmt":"2021-12-12T01:22:19","slug":"a-new-super-cooled-microwave-source-boosts-the-scale-up-of-quantum-computers","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2021\/12\/a-new-super-cooled-microwave-source-boosts-the-scale-up-of-quantum-computers","title":{"rendered":"A new super-cooled microwave source boosts the scale-up of quantum computers"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-new-super-cooled-microwave-source-boosts-the-scale-up-of-quantum-computers.jpg\"><\/a><\/p>\n<p>Researchers in Finland have developed a circuit that produces the high-quality microwave signals required to control quantum computers while operating at temperatures near absolute zero. This is a key step towards moving the control system closer to the quantum processor, which may make it possible to greatly increase the number of qubits in the processor.<\/p>\n<p>One of the factors limiting the size of quantum computers is the mechanism used to control the qubits in quantum processors. This is normally accomplished using a series of <a href=\"https:\/\/techxplore.com\/tags\/microwave\/\" rel=\"tag\" class=\"\">microwave<\/a> pulses, and because quantum processors operate at temperatures near absolute zero, the control pulses are normally brought into the cooled environment via broadband cables from room temperature.<\/p>\n<p>As the number of qubits grows, so does the number of cables needed. This limits the potential size of a quantum <a href=\"https:\/\/techxplore.com\/tags\/processor\/\" rel=\"tag\" class=\"\">processor<\/a>, because the refrigerators cooling the qubits would have to become larger to accommodate more and more cables while also working harder to cool them down\u2014ultimately a losing proposition.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers in Finland have developed a circuit that produces the high-quality microwave signals required to control quantum computers while operating at temperatures near absolute zero. This is a key step towards moving the control system closer to the quantum processor, which may make it possible to greatly increase the number of qubits in the processor. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1617],"tags":[],"class_list":["post-132236","post","type-post","status-publish","format-standard","hentry","category-computing","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/132236","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=132236"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/132236\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=132236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=132236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=132236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}