{"id":117230,"date":"2020-04-15T15:00:45","date_gmt":"2020-04-15T15:00:45","guid":{"rendered":"http:\/\/webdomino.net\/?guid=ccb3763e052cde4536c837505e136f39"},"modified":"2020-04-15T15:00:45","modified_gmt":"2020-04-15T15:00:45","slug":"intel-and-qutech-demonstrate-high-fidelity-hot-qubits-for-practical-quantum-systems","status":"publish","type":"post","link":"http:\/\/webdomino.net\/index.php\/intel\/intel-and-qutech-demonstrate-high-fidelity-hot-qubits-for-practical-quantum-systems\/","title":{"rendered":"Intel and QuTech Demonstrate High-Fidelity \u2018Hot\u2019 Qubits for Practical Quantum Systems"},"content":{"rendered":"
\"Spin<\/a>
Intel Corporation has invented a spin qubit fabrication flow on its 300 mm process technology using isotopically pure wafers like this one. (Credit: Walden Kirsch\/Intel Corporation)
\u00bb Click for full image<\/a><\/figcaption><\/figure>\n

What\u2019s New:<\/strong>\u00a0Intel, in collaboration with\u00a0QuTech<\/a>, today published a paper in\u00a0Nature<\/a>\u00a0demonstrating the successful control of \u201chot\u201d qubits, the fundamental unit of quantum computing, at temperatures greater than 1 kelvin. The research also highlighted individual coherent control of two qubits with single-qubit fidelities of up to 99.3%. These breakthroughs highlight the potential for cryogenic controls of a future quantum system and silicon spin qubits, which closely resemble a single electron transistor, to come together in an integrated package.<\/p>\n

“This research represents a meaningful advancement in our research into silicon spin qubits, which we believe are promising candidates for powering commercial-scale quantum systems, given their resemblance to transistors that Intel has been manufacturing for more than 50 years. Our demonstration of hot qubits that can operate at higher temperatures while maintaining high fidelity paves the way to allow a variety of local qubit control options without impacting qubit performance.\u201d
\n\u2013Jim Clarke, director of quantum hardware, Intel Labs<\/p><\/blockquote>\n

Why It\u2019s Important:<\/strong> Applying quantum computing to practical problems hinges on the ability to scale to and control thousands \u2013 if not millions \u2013 of qubits at the same time with high levels of fidelity. However, current quantum systems designs are limited by overall system size, qubit fidelity and especially the complexity of control electronics required to manage the quantum at large scale.<\/p>\n

Having the control electronics and spin qubits integrated on the same chip greatly simplifies the interconnects between the two. But increasing the temperatures at which the qubits can operate is critical to advancing that goal. Previously, a quantum computer was only proven to operate in the millikelvin range \u2013 just a fraction of a degree above absolute zero. Now, with this research into hot qubits, QuTech \u2013 in partnership with Intel \u2013 has proven its hypothesis that silicon spin qubits have the potential to operate at slightly higher temperatures than current quantum systems, achieving just one step towards scalability.<\/p>\n

The approach enables Intel to leverage its expertise in advanced packaging and interconnect technologies for a scalable path forward toward\u00a0quantum practicality<\/a>.\u00a0\u00a0 This research builds on Intel\u2019s ongoing\u00a0work<\/a>\u00a0in advancing the development of full-stack quantum systems, including the introduction late last year of the first-of-its-kind Horse Ridge cryogenic quantum control chip.<\/p>\n

About Key Featured Breakthroughs:<\/strong>\u00a0Quantum information stored in such qubits is normally quickly lost unless the qubits are cooled to near absolute zero (-273 degrees Celsius or 0 kelvin). In research highlighted in Nature, Intel and QuTech have for the first time demonstrated the operation of qubits that are hot, dense and coherent. These compact qubits function at high quality and at relatively high temperatures.<\/p>\n

While single-qubit control above 1 K with silicon quantum dots is demonstrated simultaneously with this work, control of two qubits was only achievable until now at a reduced temperature of 40 millikelvins. Intel\u2019s research with QuTech shows full two-qubit logic in a quantum circuit operating at 1.1 K.<\/p>\n

Through this research, Intel and QuTech have also demonstrated the ability to control the electron spin of a two-qubit system measuring single-qubit fidelities of up to 99.3% and accurate tunability of the system. Further, the team has illustrated that performance of spin qubits is minimally affected in the temperature ranges of 45 millikelvin to 1.25 kelvin.<\/p>\n

More Context:<\/strong>\u00a0Quantum Computing at Intel<\/a>\u00a0|\u00a0Intel Labs<\/a><\/p>\n

The post Intel and QuTech Demonstrate High-Fidelity \u2018Hot’ Qubits for Practical Quantum Systems<\/a> appeared first on Intel Newsroom<\/a>.<\/p>\n\"\"\/","protected":false},"excerpt":{"rendered":"

What’s New: Intel, in collaboration with QuTech, today published a paper in Nature demonstrating the successful control of “hot” qubits, the fundamental unit of quantum computing, at temperatures greater than 1 kelvin. The research also highlighted individual coherent control of two qubits with single-qubit fidelities of up to 99.3%. These breakthroughs highlight the potential for cryogenic controls of a … Continued<\/a><\/p>\n

The post Intel and QuTech Demonstrate High-Fidelity ‘Hot’ Qubits for Practical Quantum Systems<\/a> appeared first on Intel Newsroom<\/a>.<\/p>\n","protected":false},"author":186,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[12665,4248,5934,7068,13035],"yoast_head":"\nIntel and QuTech Demonstrate High-Fidelity \u2018Hot\u2019 Qubits for Practical Quantum Systems - WebDomino.NET<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/webdomino.net\/index.php\/intel\/intel-and-qutech-demonstrate-high-fidelity-hot-qubits-for-practical-quantum-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Intel and QuTech Demonstrate High-Fidelity \u2018Hot\u2019 Qubits for Practical Quantum Systems - WebDomino.NET\" \/>\n<meta property=\"og:description\" content=\"What’s New: Intel, in collaboration with QuTech, today published a paper in Nature demonstrating the successful control of “hot” qubits, the fundamental unit of quantum computing, at temperatures greater than 1 kelvin. 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