谐波调制光晶格中的类STIRAP跃迁
STIRAP-like transitions in a harmonically-modulated optical lattice
摘要：
介绍了一种利用受激喇曼绝热通道模型（STIRAP）对囚禁在光晶格中的原子进行相干加速的方法。具体来说，我们表明，小谐波调制的光晶格振幅，频率调谐到三个“未扰动”本征态的本征值间距，揭示了一个三态STIRAP子系统。我们使用这个模型来实现一个实验上可以实现的方法，从静态到运动的本征态转移被困原子。
英文摘要：
We introduce a method for the coherent acceleration of atoms trapped in an optical lattice, using the well-known model for stimulated Raman adiabatic passage (STIRAP). Specifically, we show that small harmonic modulations of the optical lattice amplitude, with frequencies tuned to the eigenvalue spacings of three "unperturbed" eigenstates, reveals a three-state STIRAP subsystem. We use this model to realize an experimentally achievable method for transferring trapped atoms from stationary to motional eigenstates.
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