Abstract

Optically active spins in solid-state are of interest for their potential use in a variety of future technologies. These range from quantum information processors to magnetic and electric field sensors at the nanoscale. Typically, dark paramagnetic spins in the solid-state host lattice cause quantum decoherence of the bright spin of interest. However, if these dark spins can be brought under control they can be a resource. For example, nuclear spins in the vicinity of an optically active spin can be used as local quantum registers [1] for quantum error correction and entanglement distillation.

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