Intel and QuTech Show Hi-Fi & # 39; Hot & # 39; Qubits of Quantum Functional Methods

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Intel and QuTech Show Hi-Fi & # 39; Hot & # 39; Qubits of Quantum Functional Methods

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Intel, in partnership with QuTech, has published an article in Nature, which shows the effective control of "hot" qubits, the basis of quantum computing at temperatures above 1 kelvin. The study also highlighted the consistent control of the values ​​of the two quadits with a single reliability of 99.3%. This development highlights the ability to bring together cryogenic control of the future quantum system and silicon spin qubits, very similar to an electron transistor, in a single package.
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"This study marks the breakthrough in our extensive study of silicon spin qubits. We believe that they promise potential candidates to drive the quantum system commercially, given their similarity with the transistors that Intel has made for more than 50 years. thermal ", can operate at high temperatures while maintaining high reliability, aiming to enable various local pollution control options without compromising performance." –Jim Clarke, director of quantum hardware at Intel Labs

Why is it important?

Applying quantum computing to practical problems depends on the ability to control and measure thousands – if not millions – of qubits simultaneously with high levels of reliability. However, the current formation of quantum systems is limited by the total size of the system, the reliability of the qubits and most of all, with the electronic control hardness needed to handle quantum on a large scale.

By combining control electronics and spin qubits on the same chip, the interaction between the two is made much easier. However, it is important to increase the temperatures at which News Byte qubits can work to produce success. Previously, a quantum computer had been shown to work only within millikelvins – a fraction of a degree well above zero. As a result of this study, QuTech – in partnership with Intel – has tested its hypothesis that silicon spin qubits can operate at temperatures much higher than those of current quantum systems, making a step towards scalability.

In this way, Intel can leverage its expertise in advanced packaging and connectivity technology to provide a risky path for quantum practice. This study builds on Intel's ongoing work to accelerate the development of full-fledged quantum systems, including the launch of last year's first Horse Ridge cryogenic quantum control chip.

Intel Corporation has developed a spin qubit compression flow in its 300 mm processor using pure explosives like this one. (Credit: Walden Kirsch / Intel Corporation)

About highlighting keys

Usually, the quantum information stored in those qubits disappears quickly, unless the qubits cool down to zero altogether (-273 degrees Celsius or 0 degrees Kelvin). In research highlighted in Nature, Intel and QuTech first showed how qubits work in hot, dense, and consistent environments. These compact qubits work with good quality and at very high temperatures.

While the control of a single rate exceeding 1 K containing the silicon quantum dots is simultaneously shown by this work, the control of the two qubits, so far, has occurred only at reduced temperatures of 40 millikelvins. Intel's research with QuTech shows a complete understanding of the two qubits in the quantum circuit operating at 1.1 K.

In this study, Intel and QuTech also demonstrated the electronic control ability of the Quququit system with single-qubit fidelities of up to 99.3% and the ability to program the system. In addition, the group explained that the performance of spin qubits is slightly affected at temperatures from 45 millikelvins to 1.25 kelvin.

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