Introduces forward-assisted purification via a new spatiotemporal framework that outperforms conventional static purification by up to 50x in copy efficiency and circumvents no-purification theorems for Bell states.
Quantum repeaters based on entanglement purification
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Proposes a heterogeneous quantum repeater network architecture using recursive designs and RuleSets with a new bridging building block, but states that full-scale resource trade-off analysis remains future work.
Random entanglement percolation is studied in heterogeneous quantum networks with edge singlet-conversion probabilities drawn from distributions, including a physical mapping from polarization-dependent loss magnitude to edge SCP in photonic networks.
The paper introduces a modular, hardware-agnostic architecture using entanglement packets for scheduling network operations in quantum networks to enable end-to-end entanglement generation integrated with local program execution, demonstrated via simulation on a 6-node star topology.
PSM protocol combines progressive swapping from both path ends to the middle, claiming higher link probability than standard PS with imperfect memories, reasonable fidelity, and lower resource use than parallel protocols.
The authors introduce the LHD protocol for entanglement distribution under imperfect conditions and report via simulation that it outperforms some prior protocols against a blind entanglement baseline.
Monte Carlo simulations map fidelity gains up to 0.07 and yield losses up to 0.55 for one round of DEJMPS purification across a grid of amplitude-damping and dephasing noise strengths in entangled photon systems.
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Resource Management in Heterogeneous Quantum Repeater Networks
Proposes a heterogeneous quantum repeater network architecture using recursive designs and RuleSets with a new bridging building block, but states that full-scale resource trade-off analysis remains future work.