SILICON SPIN QUBITS

Fast and pure

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Removing nuclear spins by means of isotopically purified silicon, and introducing magnetic field gradients by means of microfabricated ferromagnets yields electron spin qubits with enhanced fidelity and fast electrical control.

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Fig. 1: Schematic cross-sectional and top views of the spin-qubit device used by Jun Yoneda et al.

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Correspondence to Silvano De Franceschi.

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De Franceschi, S. Fast and pure. Nature Nanotech 13, 95–96 (2018) doi:10.1038/s41565-017-0045-3

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