Cavity QED with high-Q whispering gallery modes

Cavity QED with high-Q whispering gallery modes
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DOI:
10.1103/physreva.57.r2293
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发表时间:
1998-04-01
期刊:
影响因子:
2.9
通讯作者:
Kimble, HJ
Kimble, HJ
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Vernooy, DW;Furusawa, A;Kimble, HJ

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本文报道了在熔融石英微球中,利用腔QED方法测量了稀蒸气中原子与回音壁模式(WGM)外倏逝场的辐射耦合。高Q(5 × 10(7))、小模体积(10(-8)cm(3))和微腔倏逝场的不寻常对称性使得在WGM中具有单位阶光子数的场之间的速度选择性相互作用成为可能,并且棒(T)上的光子数(N)类似于周围蒸汽中的1个原子。
We report measurements of cavity-QED effects for the radiative coupling of atoms in a dilute vapor to the external evanescent field of a whispering-gallery mode (WGM) in a fused silica microsphere. The high Q (5 x 10(7)), small mode volume (10(-8) cm(3)), and unusual symmetry of the microcavity evanescent field enable velocity-selective interactions between fields with photon number of order unity in the WGM and (N) over bar(T) similar to 1 atoms in the surrounding vapor.