Design and experimental realization of an optimal scheme for teleportion of an -qubit quantum state
arXiv:1704.05294 · doi:10.1007/s11128-017-1744-2
Abstract
An explicit scheme (quantum circuit) is designed for the teleportation of an -qubit quantum state. It is established that the proposed scheme requires an optimal amount of quantum resources, whereas larger amount of quantum resources has been used in a large number of recently reported teleportation schemes for the quantum states which can be viewed as special cases of the general -qubit state considered here. A trade off between our knowledge about the quantum state to be teleported and the amount of quantum resources required for the same is observed. A proof of principle experimental realization of the proposed scheme (for a 2-qubit state) is also performed using 5-qubit superconductivity-based IBM quantum computer. Experimental results show that the state has been teleported with high fidelity. Relevance of the proposed teleportation scheme has also been discussed in the context of controlled, bidirectional, and bidirectional-controlled state teleportation.
arXiv comment11 pages 4 figures
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