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Cesium atoms and quantum dots generate indistinguishable photons for modular quantum networks
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关键摘要
Large-scale quantum communication networks require both reliable quantum memories and coherent single-photon sources that can exchange quantum information efficiently.…
- A coherent source of single photons with narrow linewidth, high bright…
- While a variety of single-photon sources, such as quantum dots (QDs) a…
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正文提要
Large-scale quantum communication networks require both reliable quantum memories and coherent single-photon sources that can exchange quantum information efficiently. A coherent source of single photons with narrow linewidth, high brightness, spectral uniformity and compatibility with quantum memories is necessary. While a variety of single-photon sources, such as quantum dots (QDs) and atoms in warm vapor cells, have been developed in recent years, each has inherent limitations, making a scalable and functional quantum network challenging to achieve.
来源：https://phys.org/news/2026-07-cesium-atoms-quantum-dots-generate.html