Collective strong coupling of cold potassium atoms in a ring cavity
Collective strong coupling of cold potassium atoms in a ring cavity
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DOI：
10.1088/1367-2630/18/11/113043
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发表时间：
2016-08
影响因子：
3.3
通讯作者：
R. Culver;A. Lampis;B. Megyeri;K. Pahwa;L. Mudarikwa;M. Holynski;P. Courteille;J. Goldwin
中科院分区：
文献类型：
--
作者：
R. Culver;A. Lampis;B. Megyeri;K. Pahwa;L. Mudarikwa;M. Holynski;P. Courteille;J. Goldwin
我们介绍了在高精细度环形腔中用冷的钾原子进行系综腔量子电动力学的实验。K-39原子在二维磁光陷阱中冷却，并转移到与腔模相交的三维陷阱中。详细描述了该装置，并首次观测到与钾原子的强耦合现象。通过腔透射谱的分裂和避免简正模的交叉，证明了原子与光的集体强耦合。
We present experiments on ensemble cavity quantum electrodynamics with cold potassium atoms in a high-finesse ring cavity. Potassium-39 atoms are cooled in a two-dimensional magneto-optical trap and transferred to a three-dimensional trap which intersects the cavity mode. The apparatus is described in detail and the first observations of strong coupling with potassium atoms are presented. Collective strong coupling of atoms and light is demonstrated via the splitting of the cavity transmission spectrum and the avoided crossing of the normal modes.