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arXiv 1402.5329physics.atom-phcond-mat.quant-gasquant-ph
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二维全息微阱阵列中的单原子囚禁

Single-atom trapping in holographic 2D arrays of microtraps with arbitrary geometries

Florence Nogrette, Henning Labuhn, Sylvain Ravets, Daniel Barredo, Lucas Béguin, Aline Vernier, Thierry Lahaye, Antoine Browaeys

摘要:

我们演示了单原子捕获在二维阵列的微陷阱与任意几何形状。我们使用空间光调制器(SLM)生成阵列,使用该空间光调制器,我们在聚焦之前在光学偶极阱光束上压印适当的相位图案。我们捕获单个$^{87}{\rm Rb}$原子在阵列的网站包含高达$\sim100$微陷阱分开的距离小至$3\;μ$ m,具有复杂的结构,如三角形,蜂窝状或kagome晶格。使用陷阱深度均匀性的闭环优化确保所有陷阱位置是等效的。这种多功能的系统在量子信息处理和量子模拟中有着广泛的应用,例如,利用里德伯原子模拟受抑的量子磁性。

英文摘要:

We demonstrate single-atom trapping in two-dimensional arrays of microtraps with arbitrary geometries. We generate the arrays using a Spatial Light Modulator (SLM), with which we imprint an appropriate phase pattern on an optical dipole trap beam prior to focusing. We trap single $^{87}{\rm Rb}$ atoms in the sites of arrays containing up to $\sim100$ microtraps separated by distances as small as $3\;μ$m, with complex structures such as triangular, honeycomb or kagome lattices. Using a closed-loop optimization of the uniformity of the trap depths ensures that all trapping sites are equivalent. This versatile system opens appealing applications in quantum information processing and quantum simulation, e.g. for simulating frustrated quantum magnetism using Rydberg atoms.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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