High-fidelity Greenberger-Horne-Zeilinger state generation within nearby nodes

Valentina Caprara Vivoli; Jérémy Ribeiro; Stephanie Wehner

doi:10.1103/PhysRevA.100.032310

High-fidelity Greenberger-Horne-Zeilinger state generation within nearby nodes

Valentina Caprara Vivoli, Jérémy Ribeiro, Stephanie Wehner

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Abstract

Generating entanglement in a distributed scenario is a fundamental task for implementing the quantum network of the future. We here report a protocol that uses only linear optics for generating Greenberger-Horne-Zeilinger states with high fidelities in a nearby node configuration. Moreover, we analytically show that the scheme is optimal for certain initial states in providing the highest success probability for sequential protocols. Finally, we give some estimates for the generation rate in a real scenario.

Original language	English
Article number	032310
Number of pages	9
Journal	Physical Review A
Volume	100
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.100.032310
Publication status	Published - 2019

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abstract = "Generating entanglement in a distributed scenario is a fundamental task for implementing the quantum network of the future. We here report a protocol that uses only linear optics for generating Greenberger-Horne-Zeilinger states with high fidelities in a nearby node configuration. Moreover, we analytically show that the scheme is optimal for certain initial states in providing the highest success probability for sequential protocols. Finally, we give some estimates for the generation rate in a real scenario.",

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AB - Generating entanglement in a distributed scenario is a fundamental task for implementing the quantum network of the future. We here report a protocol that uses only linear optics for generating Greenberger-Horne-Zeilinger states with high fidelities in a nearby node configuration. Moreover, we analytically show that the scheme is optimal for certain initial states in providing the highest success probability for sequential protocols. Finally, we give some estimates for the generation rate in a real scenario.

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High-fidelity Greenberger-Horne-Zeilinger state generation within nearby nodes

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