Hybrid dynamical decoupling and coherent driving for high-fidelity nuclear-spin control in diamond
Researchers report a hybrid scheme combining dynamical decoupling with coherent driving to achieve high-fidelity control of nuclear spins in diamond. The approach targets nuclear spins coupled to nitrogen-vacancy centres, addressing decoherence during control operations. The work appears on arXiv.
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What this could mean
- 0–2 yearsPlausible
This hybrid control could become a practical technique for extending nuclear-spin coherence in NV-based quantum registers, enabling more reliable quantum sensing protocols and small-scale quantum memories within the next two years.
Dynamical decoupling already suppresses environmental noise in diamond, and coherent driving can compensate residual control errors. Since nitrogen-vacancy centres and their nearby nuclear spins are established experimental platforms, integrating this hybrid scheme into current setups is primarily an engineering step rather than a fundamental breakthrough.
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