期刊
PHYSICAL REVIEW RESEARCH
卷 4, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.4.033107
关键词
-
资金
- European Union [862721]
Transition metal defects in silicon carbide show promise as a platform for quantum technology applications. Researchers have developed a driven, dissipative protocol to polarize nuclear spins, enabling the use of established methods for initializing and storing quantum states. This study represents the first step towards an all-optically controlled integrated platform for quantum technology with transition metal defects in SiC.
Transition metal (TM) defects in silicon carbide (SiC) are a promising platform for applications in quantum technology. Some TM defects, e.g., vanadium, emit in one of the telecom bands, but the large ground-state hyperfine manifold poses a problem for applications which require pure quantum states. We develop a driven, dissipative protocol to polarize the nuclear spin, based on a rigorous theoretical model of the defect. We further show that nuclear-spin polarization enables the use of well-known methods for initialization and long time coherent storage of quantum states. The proposed nuclear-spin preparation protocol thus marks the first step towards an all-optically controlled integrated platform for quantum technology with TM defects in SiC.
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