CZ vs Beam Splitter: errors of entangled operations

@inproceedings{Zinatullin2021CZVB,
  title={CZ vs Beam Splitter: errors of entangled operations},
  author={E. R. Zinatullin and S. B. Korolev and T. Yu. Golubeva},
  year={2021}
}
Using the quantum teleportation in continuous variables as a test scheme, we compare two entangled transformations mixing of signals on a beamsplitter and by the CZ operation. We evaluate these transformations in terms of the errors added to teleported oscillators. We have shown that the CZ operation leads to the lower error of teleportation. This error can be further reduced by choosing appropriate weight coefficients for the CZ transforms. We have compared the errors of the theoretical CZ… 

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