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A dielectric metasurface optical chip for the generation of cold atoms.

ABSTRACT: Compact and robust cold atom sources are increasingly important for quantum research, especially for transferring cutting-edge quantum science into practical applications. In this study, we report on a novel scheme that uses a metasurface optical chip to replace the conventional bulky optical elements used to produce a cold atomic ensemble with a single incident laser beam, which is split by the metasurface into multiple beams of the desired polarization states. Atom numbers ~107 and temperatures (about 35 ?K) of relevance to quantum sensing are achieved in a compact and robust fashion. Our work highlights the substantial progress toward fully integrated cold atom quantum devices by exploiting metasurface optical chips, which may have great potential in quantum sensing, quantum computing, and other areas.

SUBMITTER: Zhu L

PROVIDER: S-EPMC7439576 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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A dielectric metasurface optical chip for the generation of cold atoms.

Zhu Lingxiao L Liu Xuan X Sain Basudeb B Wang Mengyao M Schlickriede Christian C Tang Yutao Y Deng Junhong J Li Kingfai K Yang Jun J Holynski Michael M Zhang Shuang S Zentgraf Thomas T Bongs Kai K Lien Yu-Hung YH Li Guixin G

Science advances 20200729 31

Compact and robust cold atom sources are increasingly important for quantum research, especially for transferring cutting-edge quantum science into practical applications. In this study, we report on a novel scheme that uses a metasurface optical chip to replace the conventional bulky optical elements used to produce a cold atomic ensemble with a single incident laser beam, which is split by the metasurface into multiple beams of the desired polarization states. Atom numbers ~10<sup>7</sup> and ...[more]

PMID: 32832692

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