An asymmetric atom-photon architecture for device-independent quantum key distribution over 25 km

arXiv:2609.25795 · quant-ph · Submitted 2026-09-22 · Read on arXiv

quant-ph

Submitted: 2026-09-22

Updated: 2026-09-23

Terminology

• Entanglement — 16× in this paper · explained in 4 episodes
• Fidelity — 7× in this paper · explained in 2 episodes
• Regularization — 4× in this paper · explained in 3 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Quantization — 2× in this paper · explained in 12 episodes
• Aperture — 1× in this paper · explained in 1 episode
• Robustness — 1× in this paper · explained in 5 episodes
• Selection Bias — 1× in this paper · explained in 4 episodes

Sources

• Quantum repeater segment with free-space coupled co-trapped ions using telecom photon interference
• Indistinguishability of photonic qubits emitted from trapped $^{40}$Ca$^+$ ions via pulsed excitation

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