Kavli Affiliate: Stephanie Wehner
| First 5 Authors: Adrià Labay-Mora, Francisco Ferreira da Silva, Stephanie Wehner, ,
| Summary:
We conduct a numerical investigation of fiber-based entanglement distribution
over distances of up to 1600km using a chain of processing-node quantum
repeaters. We determine minimal hardware requirements while simultaneously
optimizing over protocols for entanglement generation and entanglement
purification, as well as over strategies for entanglement swapping. Notably, we
discover that through an adequate choice of protocols the hardware improvement
cost scales linearly with the distance covered. Our results highlight the
crucial role of good protocol choices in significantly reducing hardware
requirements, such as employing purification to meet high-fidelity targets and
adopting a SWAP-ASAP policy for faster rates. To carry out this analysis, we
employ an extensive simulation framework implemented with NetSquid, a
discrete-event-based quantum-network simulator, and a genetic-algorithm-based
optimization methodology to determine minimal hardware requirements.
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