Correlated coherent oscillations in coupled semiconductor charge qubits

  • Shinkai G
  • Hayashi T
  • Ota T
 et al. 
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Designing coherent processes is essential for developing quantum information technologies. We study coherent dynamics of two spatially separated electrons in a coupled semiconductor double quantum dot (DQD), in which various two-qubit operations are demonstrated just by adjusting the gate voltages. Especially, second-order correlated coherent oscillations provide functional quantum processes for making quantum correlation of separated particles. The results encourage searching quantum entanglement in electronic devices.

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  • Gou Shinkai

  • Toshiaki Hayashi

  • Takeshi Ota

  • Toshimasa Fujisawa

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