Bidirectional quantum frequency conversion distributes atom-photon entanglement over 24 km of deployed fiber at 1.7% transfer efficiency with fidelity drop under 1%.
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quant-ph 3years
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Two electrically tunable quantum dots coupled through a bidirectional waveguide form a radiatively coupled artificial molecule whose emission direction is switched by driving phase, yielding directional single photons and photon pairs.
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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Metropolitan entanglement distribution between an atom and a near-visible photon
Bidirectional quantum frequency conversion distributes atom-photon entanglement over 24 km of deployed fiber at 1.7% transfer efficiency with fidelity drop under 1%.
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Directional and correlated optical emission from a waveguide-engineered molecule with local control
Two electrically tunable quantum dots coupled through a bidirectional waveguide form a radiatively coupled artificial molecule whose emission direction is switched by driving phase, yielding directional single photons and photon pairs.
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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.