Ultrashort-pulse-train pump and dump excitation of a diatomic molecule

被引：1
|
作者：
de Araujo, Luis E. E. [1 ]
机构：
[1] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
来源：
PHYSICAL REVIEW A | 2010年 / 82卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
DYNAMICS; SPECTROSCOPY; CHEMISTRY;
D O I：
10.1103/PhysRevA.82.033423
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An excitation scheme is proposed for transferring population between ground-vibrational levels of a molecule. The transfer is accomplished by pumping and dumping population with a pair of coherent ultrashort-pulse trains via a stationary state. By mismatching the teeth of the frequency combs associated with the pulse trains to the vibrational levels, high selectivity in the excitation, along with high transfer efficiency, is predicted. The pump-dump scheme does not suffer from spontaneous emission losses, it is insensitive to the pump-dump-train delay, and it requires only basic pulse shaping.
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页数：6
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