Controllable atomic collision in a tight optical dipole trap

分类： 光学 >> 量子光学 提交时间： 2023-02-19

Zhu-Bo Wang Chen-yue Gu Xin-Xin Hu Ya-Ting Zhang Ji-Zhe Zhang Gang Li Xiao-Dong He Xu-Bo Zou Chun-Hua Dong Guang-Can Guo Chang-Ling Zou

摘要： Single atoms are interesting candidates for studying quantum optics and quantum information processing. Recently, trapping and manipulation of single atoms using tight optical dipole traps have generated considerable interest. Here we report an experimental investigation of the dynamics of atoms in a modified optical dipole trap with a backward propagating dipole trap beam, where a change in the two-atom collision rate by six times has been achieved. The theoretical model presented gives a prediction of high probabilities of few-atom loading rates under proper experimental conditions. This work provides an alternative approach to the control of the few-atom dynamics in a dipole trap and the study of the collective quantum optical effects of a few atoms.

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