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Localized Optical Lattices Generated by Quadrupole Interaction
Journal of Russian Laser Research ( IF 0.7 ) Pub Date : 2020-03-21 , DOI: 10.1007/s10946-020-09857-x
S. Al-Awfi

Electric quadrupole interactions are normally weak but are shown capable of being exploited once the neutral atom interacts at near resonance. The physical model used here is based on evanescent Hermite–Gaussian light in a vacuum being total-internally reflected at the planar surface of a dielectric. The resulting optical quadrupole potential distribution is restricted to a subwavelength region near the interface outside the dielectric and interacts with any neutral atom approaching it. Conditions that completely prevent dipole interactions but allow quadrupole interactions facilitate lateral optical manipulations of atoms along the interface by the formation of a localized two-dimensional surface of an optical lattice. Such lattices can be used to form an appropriate architecture to implement quantum operations using neutral atoms and ions.

中文翻译:

四极相互作用产生的局部光学晶格

电四极子相互作用通常较弱,但一旦中性原子以接近共振的方式相互作用,就可以被利用。此处使用的物理模型基于真空中e逝的Hermite-Gaussian光,在电介质的平面上被全内反射。所产生的光学四极电位分布限制在电介质外部界面附近的亚波长区域,并与任何接近该电介质的中性原子相互作用。通过形成光学晶格的局部二维表面,完全阻止偶极相互作用但允许四极相互作用的条件有助于原子沿界面进行横向光学操纵。这种晶格可用于形成适当的体系结构,以使用中性原子和离子来实现量子操作。
更新日期:2020-03-21
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