Two-photon absorption

被引：0
|
作者：
Pérez-Arjona, I [1 ]
de Valcárcel, GJ [1 ]
Roldán, E [1 ]
机构：
[1] Univ Valencia, Dept Opt, Burjassot 46100, Spain
来源：
REVISTA MEXICANA DE FISICA | 2003年 / 49卷 / 01期
关键词：
spectroscopy; quantum optics; two-photon precesses;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two-photon absorption is theoretically analyzed within the semiclassical formalism of radiation-matter interaction. We consider an ensemble of inhomogeneously broadened three-level atoms subjected,to the action of two counterpropagating fields of the same frequency. By concentrating in the limit of large detuning in one-photon transitions, we-solve perturbatively the Bloch equations in a non-usual way. In this way. we derive an analytical expression for the width of the two-photon resonance that makes evident sub-Doppler two-photon spectroscopy. We also derive an analytical expression for the Stark shift of the two-photon resonance.
引用
收藏
页码：92 / 101
页数：10
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