EFFECT OF PRESSURE-DEPENDENT QUANTUM INTERFERENCE ON THE AC STARK SHIFTING OF A 4-PHOTON RESONANCE

被引:23
|
作者
DENG, L [1 ]
ZHANG, JY [1 ]
PAYNE, MG [1 ]
GARRETT, WR [1 ]
机构
[1] OAK RIDGE NATL LAB,CHEM PHYS SECT,OAK RIDGE,TN 37831
关键词
D O I
10.1103/PhysRevLett.73.2035
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report an experiment in xenon which confirms theoretical predictions [Payne et al., Phys. Rev. A 48, 2334 (1993)] on the pressure dependent suppression of the ac Stark shifting of even-photon resonances. In the copropagating configuration the ac Stark shift introduced by a second laser is totally suppressed at elevated concentrations due to a very complete destructive interference between two pumping pathways. The ac Stark shift persists in the counterpropagating configuration.
引用
收藏
页码:2035 / 2038
页数:4
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