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提出了一种利用四根亚微米单模光纤束实现冷原子(或冷分子)波导的新方案,计算了四光纤束内空心区域的消逝波光场及其光学囚禁势.研究表明这种蓝失谐的空心消逝波光场同样可用于实现冷原子(或冷分子)的激光波导,而且与传统的中空光纤原子波导方案相比,不仅简单方便,造价低廉,而且更容易实现冷原子物质波的高效单模波导.
A new scheme of realizing cold atom (or cold molecule) waveguides using four sub-micron single-mode fiber bundles is proposed, and the evanescent wave field and its optical trapped potential in the hollow region of the four-fiber bundle are calculated. The harmonic hollow evanescent wave field can also be used to realize cold atom (or cold molecule) laser waveguide. Compared with the traditional hollow fiber waveguide scheme, it is not only simple and convenient, but also low in cost and more efficient to realize the cold atomic wave Single mode waveguide.