Prolonged orbital relaxation by locally modified phonon density of states for SiV$^-$ center in nanodiamonds
Marco Klotz,
Konstantin G. Fehler,
Elena S. Steiger
et al.
Abstract:Coherent quantum systems are a key resource for emerging quantum technology. Solid-state spin systems are of particular importance for compact and scalable devices. However, interaction with the solid-state host degrades the coherence properties. The negatively-charged silicon vacancy center in diamond is such an example. While spectral properties are outstanding, with optical coherence protected by the defects symmetry, the spin coherence is susceptible to rapid orbital relaxation limiting the spin dephasing … Show more
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