Experimental study of discrete diffraction behavior in a coherent atomic system

Experimental study of discrete diffraction behavior in a coherent atomic system
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相干原子系统中离散衍射行为的实验研究

DOI:
10.1088/1612-202x/aa931a
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发表时间:
2017-12
影响因子:
1.7
通讯作者:
Jia Suotang
Jia Suotang
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Yuan Jinpeng;Li Yihong;Li Shaohua;Li Changyong;Wang Lirong;Xiao Liantuan;Jia Suotang

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实验研究了铷5S 1/2−5P 3/2−5D 5/2相干级联系统的离散衍射行为。通过5P 3/2 - 5D 5/2小角度跃迁对应的两个耦合激光器的干涉,建立了光学晶格。当对应5S 1/2 ~ 5P 3/2跃迁的探测激光穿过光学晶格时,在蒸气中观察到明显的离散衍射图样。得到了汽温、双光子失谐、耦合激光强度和探针激光强度等相关实验参数的优化结果。利用密度矩阵理论对实验结果进行了分析。该系统为研究非厄米物理和离散孤子提供了新的途径。
Discrete diffraction behavior was experimentally studied in a coherent rubidium 5S 1/2− 5P 3/2− 5D 5/2 cascade system. An optical lattice was established by the interference of two coupling lasers corresponding to 5P 3/2− 5D 5/2 transition with a small angle. The distinct discrete diffraction patterns were observed in vapor when the probe laser corresponding to the 5S 1/2− 5P 3/2 transition propagated through the optical lattice. The optimized pertinent experimental parameters such as vapor temperature, two-photon detuning, coupling laser intensity and probe laser intensity are obtained. The experimental results are well analyzed utilizing the density-matrix theory. This system provides a new approach to investigate non-Hermitian physics and discrete solitons.
DOI: 10.1002/lapl.200410155
发表时间: 2004-10
影响因子: 1.7
作者:
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