Fault-tolerant linear optical quantum computing with small-amplitude coherent States.

@article{Lund2008FaulttolerantLO,
  title={Fault-tolerant linear optical quantum computing with small-amplitude coherent States.},
  author={Austin P. Lund and Timothy C. Ralph and Henry L. Haselgrove},
  journal={Physical review letters},
  year={2008},
  volume={100 3},
  pages={
          030503
        }
}
Quantum computing using two coherent states as a qubit basis is a proposed alternative architecture with lower overheads but has been questioned as a practical way of performing quantum computing due to the fragility of diagonal states with large coherent amplitudes. We show that using error correction only small amplitudes (alpha>1.2) are required for fault-tolerant quantum computing. We study fault tolerance under the effects of small amplitudes and loss using a Monte Carlo simulation. The… CONTINUE READING

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