Passive quantum error correction of linear optics networks through error averaging
- Publication Type:
- Journal Article
- Physical Review A, 2018, 97 (2)
- Issue Date:
© 2018 American Physical Society. We propose and investigate a method of error detection and noise correction for bosonic linear networks using a method of unitary averaging. The proposed error averaging does not rely on ancillary photons or control and feedforward correction circuits, remaining entirely passive in its operation. We construct a general mathematical framework for this technique and then give a series of proof of principle examples including numerical analysis. Two methods for the construction of averaging are then compared to determine the most effective manner of implementation and probe the related error thresholds. Finally we discuss some of the potential uses of this scheme.
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