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Demonstration of an integrated nanophotonic chip-scale alkali vapor magnetometer using inverse design
Light: Science & Applications ( IF 19.4 ) Pub Date : 2021-03-11 , DOI: 10.1038/s41377-021-00499-5
Yoel Sebbag , Eliran Talker , Alex Naiman , Yefim Barash , Uriel Levy

Recently, there has been growing interest in the miniaturization and integration of atomic-based quantum technologies. In addition to the obvious advantages brought by such integration in facilitating mass production, reducing the footprint, and reducing the cost, the flexibility offered by on-chip integration enables the development of new concepts and capabilities. In particular, recent advanced techniques based on computer-assisted optimization algorithms enable the development of newly engineered photonic structures with unconventional functionalities. Taking this concept further, we hereby demonstrate the design, fabrication, and experimental characterization of an integrated nanophotonic-atomic chip magnetometer based on alkali vapor with a micrometer-scale spatial resolution and a magnetic sensitivity of 700 pT/√Hz. The presented platform paves the way for future applications using integrated photonic–atomic chips, including high-spatial-resolution magnetometry, near-field vectorial imaging, magnetically induced switching, and optical isolation.



中文翻译:

使用逆向设计演示集成的纳米光子芯片级碱蒸汽磁强计

最近,人们对基于原子的量子技术的小型化和集成越来越感兴趣。这种集成在促进批量生产,减少占位面积和降低成本方面带来了明显的优势,此外,片上集成所提供的灵活性还可以开发新的概念和功能。尤其是,基于计算机辅助优化算法的最新先进技术使具有非常规功能的新设计光子结构的开发成为可能。进一步推广这一概念,我们在此演示基于碱蒸汽的集成纳米光子原子芯片磁强计的设计,制造和实验特性,其空间分辨率为微米级,磁灵敏度为700 pT /√Hz。

更新日期:2021-03-11
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