Colloquium: Dr. C. Henry Yang, University of New South Wales
Off Campus: via WEBEX
Quantum computing with Silicon MOS spin qubits
Spin qubits in silicon are excellent candidates for scalable quantum computers  due to their long coherence times and the enormous investment in silicon CMOS technology. In this talk, I will walk through the architecture of our Si-MOS quantum dots. With combination of isotopically enriched Si‑28 substrate and an on-chip electron spin resonance (ESR) microwave line, these quantum dots can be operated as spin qubits [2,3] with high fidelity [4,5]. In addition, I will present our recent experiments on the demonstrating the scalability strengths of Si-MOS qubits, including spin qubits with multi-electrons , and operation of qubits above one kelvin .
 D. D. Awschalom et al. Science 339, 1174 (2013).
 M. Veldhorst et al. Nature Nanotechnology 9, 981 (2014).
 M. Veldhorst et al. Nature 526, 410 (2015).
 C. H. Yang et al. Nature Electronics 2, 151 (2019)
 W. Huang et al. Nature 569, 532 (2019).
 R. C. C. Leon et al. Nature Communications 11, 797 (2020).
 C. H. Yang et al. Nature 580, 350 (2020).
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