Qubit Zoo

Self-consistent measurement and state tomography of an exchange-only spin qubit

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This paper develops measurement, tomography, and single-shot readout methods for the three-spin exchange-only platform closely related to RX qubits. It is also the correct resolving destination for arXiv:1302.1933.

Key Results

  • Initialization, full electrical control, and single-shot readout of an exchange-only spin qubit
  • Self-consistent state tomography with leakage-aware analysis
  • Demonstrated dozens of qubit rotations in under 2 ns

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