硅基自旋量子比特技术研究进展

Research Progress of Spin Qubits Technology Based on Silicon

量子芯片是运用量子力学基本原理构建实用化计算机的基础。各国研究团队通过近几年的卓越研究工作,将硅基量子比特芯片技术发展成量子计算的核心方向之一。文章重点归纳了Si自旋量子比特的主要类型,分析了可靠量子计算实现所要求的高保真度、长程耦合等指标的关键技术。这些技术的研究表明,硅是一个能实现全面量子计算发展的可行平台。

Quantum chip is the basis of constructing practical computer based on the basic principle of quantum mechanics. Through the excellent research work in recent years, research teams of various countries had developed the Si based qubit chip technology into one of the core directions of quantum computing. In this paper, the main types of Si spin qubits were summarized, and the key technologies of high fidelity, long-range coupling and other indexes required for reliable quantum computing were analyzed. Research of these technologies showed that Si was a feasible platform for the development of comprehensive quantum computing.