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Trapped Ion Quantum Computing

Hybrid quantum repeater based on resonant qubit-field interactions

arXiv
Authors: J. Z. Bernád

Year

2017

Paper ID

44843

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

We propose a hybrid quantum repeater based on ancillary coherent field states and material qubits coupled to optical cavities. For this purpose, resonant qubit-field interactions and postselective field measurements are determined which are capable of realizing all necessary two-qubit operations for the actuation of the quantum repeater. We explore both theoretical and experimental possibilities of generating near-maximally-entangled qubit pairs (F>0.999) over long distances. It is shown that our scheme displays moderately low repeater rates, between 5 times 10-4 and 23 pairs per second, over distances up to 900 km, and it relies completely on current technology of cavity quantum electrodynamics.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2017 reference point for readers tracking recent quantum research.
  • We propose a hybrid quantum repeater based on ancillary coherent field states and material qubits coupled to optical cavities.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.00717 [2] arXiv https://arxiv.org/abs/1707.00717 [3] Publisher https://arxiv.org/abs/1707.00717

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