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Quantum well stabilized point defect spin qubits
Ivády, J. Davidsson, N. Delegan +10
Defect-based quantum systems in in wide bandgap semiconductors are strong candidates for scalable quantum-information technologies. However, these systems are often complicated by…
Quantum decoherence dynamics of divacancy spins in silicon carbide
Hosung Seo, Abram L. Falk, Paul V. Klimov +3
Long coherence times are key to the performance of quantum bits (qubits). Here, we experimentally and theoretically show that the Hahn-echo coherence time (T2) of electron spins as…
High fidelity bi-directional nuclear qubit initialization in SiC
Viktor Ivády, Paul V. Klimov, Kevin C. Miao +6
Dynamic nuclear polarization (DNP) is an attractive method for initializing nuclear spins that are strongly coupled to optically active electron spins because it functions at room…
Optical polarization of nuclear spins in silicon carbide
Abram L. Falk, Paul V. Klimov, Viktor Ivády +5
We demonstrate optically pumped dynamic nuclear polarization of 29-Si nuclear spins that are strongly coupled to paramagnetic color centers in 4H- and 6H-SiC. The 99 +/- 1% degree…