A robust initialization protocol has been demonstrated for a four-qubit nuclear spin register in silicon. The protocol, driven electrically through electric-dipole spin resonance, enables high-fidelity qubit control and hence a route to a register-based quantum computer that exploits the exceptional coherence properties of atom qubits in silicon.
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References
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This is a summary of: Reiner, J. et al. High-fidelity initialization and control of electron and nuclear spins in a four-qubit register. Nat. Nanotechnol. https://doi.org/10.1038/s41565-023-01596-9 (2024).
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High-fidelity initialization and control of multiple nuclear spin qubits in silicon. Nat. Nanotechnol. (2024). https://doi.org/10.1038/s41565-024-01603-7
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DOI: https://doi.org/10.1038/s41565-024-01603-7