Spin coherence of silicon vacancy qubits in SiC

• Applicant: Privatdozent Dr. Georgy Astakhov
• Subject Area: Experimental Condensed Matter Physics
• Term: from 2014 to 2017
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 241647006

• Final Report Year: 2017

Final Report Abstract

No abstract available

Publications

• “Excitation and recombination dynamics of vacancy-related spin centers in silicon carbide”, J. Appl. Phys. 115, 133508 (2014)
  T. C. Hain, F. Fuchs, V. A. Soltamov, P. G. Baranov, G. V. Astakhov, T. Hertel, and V. Dyakonov
  (See online at https://doi.org/10.1063/1.4870456)
• “Magnetic field and temperature sensing with atomic-scale spin defects in silicon carbide”, Sci. Rep. 4, 5303 (2014)
  H. Kraus, V. A. Soltamov, F. Fuchs, D. Simin, A. Sperlich, P. G. Baranov, G. V. Astakhov, and V. Dyakonov
  (See online at https://doi.org/10.1038/srep05303)
• “Room-temperature nearinfrared silicon carbide nanocrystalline emitters based on optically aligned spin defects”, Appl. Phys. Lett. 105, 243112 (2014)
  A. Muzha, F. Fuchs, N. V. Tarakina, M. Trupke, V. A. Soltamov, E. N. Mokhov, P. G. Baranov, V. Dyakonov, A. Krueger, and G. V. Astakhov
  (See online at https://doi.org/10.1063/1.4904807)
• “Engineering near-infrared single-photon emitters with optically active spins in ultrapure silicon carbide”, Nat. Commun. 6, 7578 (2015)
  F. Fuchs, B. Stender, D. Simin, M. Trupke, J. Pflaum, V. Dyakonov, and G. V. Astakhov
  (See online at https://doi.org/10.1038/ncomms8578)
• “High-precision angle-resolved magnetometry with uniaxial quantum centers in silicon carbide”, Phys. Rev. Appl. 4, 014009 (2015)
  D. Simin, F. Fuchs, H. Kraus, A. Sperlich, P. G. Baranov, G. V. Astakhov, and V. Dyakonov
  (See online at https://doi.org/10.1103/PhysRevApplied.4.014009)
• “All-optical dc nanotesla magnetometry using silicon vacancy fine structure in isotopically purified silicon carbide”, Phys. Rev. X 6, 031014 (2016)
  D. Simin, V. A. Soltamov, A. V. Poshakinskiy, A. N. Anisimov, R. A. Babunts, D. O. Tolmachev, E. N. Mokhov, M. Trupke, S. A. Tarasenko, A. Sperlich, P. G. Baranov, V. Dyakonov, and G. V. Astakhov
  (See online at https://doi.org/10.1103/PhysRevX.6.031014)
• “Locking of electron spin coherence above 20 ms in natural silicon carbide”, Phys. Rev. B 95, 161201(R) (2017)
  D. Simin, H. Kraus, A. Sperlich, T. Ohshima, G. V. Astakhov, and V. Dyakonov
  (See online at https://doi.org/10.1103/PhysRevB.95.161201)