A parabolic mirror on an optical chip forms a compact neutral-atom node that collects photons at 9% efficiency and generates atom-photon entanglement with 0.93 raw Bell fidelity.
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Hybrid ion-ensemble nodes match bandwidths to enable parallel probabilistic entanglement generation, yielding a conceptual speed-up for ion-ion entanglement over hundreds of kilometers.
The work identifies a fidelity crossover separating distillation-dominated and no-distillation regimes for remote entanglement in lattice surgery, with up to 100x or >50% resource savings depending on the side of the threshold.
The work extends a prior protocol to compare single-click and double-click entanglement generation between ions over hundreds of kilometers, showing that optimal choice depends on phase stability and interface efficiencies.
citing papers explorer
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Efficient and compact quantum network node based on a parabolic mirror on an optical chip
A parabolic mirror on an optical chip forms a compact neutral-atom node that collects photons at 9% efficiency and generates atom-photon entanglement with 0.93 raw Bell fidelity.
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Hybrid Single-Ion Atomic-Ensemble Node for High-Rate Remote Entanglement Generation
Hybrid ion-ensemble nodes match bandwidths to enable parallel probabilistic entanglement generation, yielding a conceptual speed-up for ion-ion entanglement over hundreds of kilometers.
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Remote Entanglement in Lattice Surgery: To Distill, or Not to Distill
The work identifies a fidelity crossover separating distillation-dominated and no-distillation regimes for remote entanglement in lattice surgery, with up to 100x or >50% resource savings depending on the side of the threshold.
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Single and Double-click High-Rate Entanglement Generation Between Distant Ions Using Multiplexed Atomic Ensembles
The work extends a prior protocol to compare single-click and double-click entanglement generation between ions over hundreds of kilometers, showing that optimal choice depends on phase stability and interface efficiencies.