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QI: Fachverband Quanteninformation

QI 7: Quantum Information: Applications

QI 7.5: Vortrag

Mittwoch, 22. September 2021, 11:45–12:00, H4

Hyperfine Structure of Transition Metal Defects in SiC — •Benedikt Tissot and Guido Burkard — Universtität Konstanz

Transition metal (TM) defects in silicon carbide (SiC) are a promising platform in quantum technology, especially because some TM defects emit in the telecom band. We develop a theory for the interaction of an active electron in the D-shell of a TM defect in SiC with the TM nuclear spin and derive the effective hyperfine tensor within the Kramers doublets formed by the spin-orbit coupling. Based on our theory we discuss the possibility to exchange the nuclear and electron states with potential applications for nuclear spin manipulation and long-lived nunclear-spin based quantum memories.