Teleportation with a cubic phase gate

Teleportation with a cubic phase gate

We propose a modified quantum teleportation scheme to increase the teleportation accuracy by applying a cubic phase gate to the displaced squeezed state. We have described the proposed scheme in Heisenberg's language, evaluating it from the point of view of adding an error in teleportation, and...

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Veröffentlicht in:arXiv.org 2021-07
Hauptverfasser: Zinatullin, E R, Korolev, S B, T Yu Golubeva
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Physics - Quantum Physics
Quantum teleportation
Squeezed states (quantum theory)
Wave functions
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description We propose a modified quantum teleportation scheme to increase the teleportation accuracy by applying a cubic phase gate to the displaced squeezed state. We have described the proposed scheme in Heisenberg's language, evaluating it from the point of view of adding an error in teleportation, and have shown that it allows achieving less error than the original scheme. Repeating the description in the language of wave functions, we have found the range of the displacement values, at which our conclusions will be valid. Using the example of teleportation of the vacuum state, we have shown that the scheme allows one to achieve high fidelity values.
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subjects Physics - Quantum Physics
Quantum teleportation
Squeezed states (quantum theory)
Wave functions
title Teleportation with a cubic phase gate
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