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Quantum Information Processing

Quantum teleportation based on non-maximally entangled graph states

Yi Ding, Yuzheng Wei, Zongyi Li, Min Jiang

Published Nov 3, 2023• 8 citations
Publisher
DOI
10.1007/s11128-023-04157-0

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We study quantum teleportation with the resource of non-orthogonal qubit states. We first extend the standard teleportation protocol to the case of such states. We investigate how the loss of teleportation fidelity resulting from the use of non-orthogonal states compares to a similar loss of fidelity when noisy or non-maximally entangled states are used as the teleportation resource. Our analysis leads to some interesting results on the teleportation efficiency of both pure and mixed non-orthogonal states compared to that of non-maximally entangled and mixed states.