Photon-efficient quantum repeater chains via hyperentanglement-assisted purification

arXiv:2608.30786 · quant-ph · Submitted 2026-08-31 · Read on arXiv

quant-ph

Submitted: 2026-08-31

Updated: 2026-09-17

Terminology

• Fidelity — 71× in this paper · explained in 2 episodes
• Entanglement — 34× in this paper · explained in 3 episodes
• Core — 3× in this paper · explained in 2 episodes
• DOF-Assisted Entanglement Purification Protocol — 3× in this paper
• DOF-Assisted Hyperentanglement Repeater — 2× in this paper
• Robustness — 2× in this paper · explained in 5 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Hilbert Space — 1× in this paper · explained in 2 episodes

Sources

• Making Quantum Networks Work: Routing, Calibration, and Programmable Quantum Repeaters
• Two-step hyperentanglement purification with the quantum-state-joining method

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