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High-Resolution Two-Dimensional Atomic Localization Via Tunable Surface Plasmon Polaritons
Plasmonics ( IF 3 ) Pub Date : 2021-04-08 , DOI: 10.1007/s11468-021-01404-x
Muhammad Idrees , Muhib Ullah , Bakth Amin Bacha , Arif Ullah , Li-Gang Wang

The two-dimensional (2D) atomic localization is theoretically investigated via tunable surface plasmon polaritons (SPPs), generated on the metal (Ag) surface coupled to a quantum coherent three-level \(\lambda\)-type medium (\(^{87}\)Rb) embedded as a dielectric host. Such a useful scheme for highly precise atomic localization is reported by using the absorption spectrum of SPPs. Owing to space-dependent light–matter interaction, the sharp localized peaks are observed in a single wavelength domain of 2D space with maximum probability. By properly varying the system parameters, the precision and numbers of the localized peaks are controlled. Consequently, highly efficient and high-resolution atomic localization can be achieved in a region smaller than \(\lambda /20\times \lambda /20\). The spatial resolution of atomic localization is greatly improved as compared to the previously studied cases. These results may have potential useful applications in the fields of quantum nanoplasmonics, nanolithography, and nanophotonics.



中文翻译:

通过可调表面等离激元极化子的高分辨率二维原子定位

理论上是通过可调谐表面等离激元极化子(SPP)在二维表面上产生的二维(2D)原子局域化的,该极化子在金属(Ag)表面上生成,并耦合到量子相干三能级(\\ lambda \)型介质(\(^ {87} \) Rb)嵌入为介电主体。通过使用SPP的吸收光谱,报道了这种用于高度精确的原子定位的有用方案。由于空间相关的光-物质相互作用,在二维空间的单个波长域中观察到的尖峰局部峰的概率最大。通过适当改变系统参数,可以控制局部峰的精度和数量。因此,可以在小于一个的区域中实现高效和高分辨率的原子定位。\(\ lambda / 20 \ times \ lambda / 20 \)。与先前研究的案例相比,原子定位的空间分辨率大大提高。这些结果可能在量子纳米等离子体技术,纳米光刻和纳米光子学领域具有潜在的有用应用。

更新日期:2021-04-09
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