Noise thresholds for optical quantum computers.

@article{Dawson2006NoiseTF,
  title={Noise thresholds for optical quantum computers.},
  author={C. Dawson and H. L. Haselgrove and M. Nielsen},
  journal={Physical review letters},
  year={2006},
  volume={96 2},
  pages={
          020501
        }
}
In this Letter we numerically investigate the fault-tolerant threshold for optical cluster-state quantum computing. We allow both photon loss noise and depolarizing noise (as a general proxy for all local noise), and obtain a threshold region of allowed pairs of values for the two types of noise. Roughly speaking, our results show that scalable optical quantum computing is possible for photon loss probabilities <3 x 10(-3), and for depolarization probabilities <10(-4). 
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