Temporal coherent control of two-photon ionization by a sequence of ultrashort laser pulses

被引：0
|
作者：
Ishikawa, Kenichi L. [1 ]
Ueda, Kiyoshi [2 ]
机构：
[1] Univ Tokyo, Grad Sch Engn, Dept Quantum Engn & Syst Sci, Bunkyo Ku, Hongo 7-3-1, Tokyo 1138656, Japan
[2] Tohoku Univ, Inst Multidisiciplinary Res Adv Materials, Sendai, Miyagi, Japan
来源：
ULTRAFAST OPTICS V | 2007年 / 132卷
关键词：
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study two-photon ionization of a hydrogen atom by a sequence of two 10-fs laser pulses whose photon energy is slightly lower than the ionization threshold, based on direct solution of the time-dependent Schodinger equation. Although the Rydberg wave packet formed by the first pulse quickly disintegrates before the Kepler time, it can be further ionized by the second pulse when the latter coincides with the return of a fragment of the wave packet. The ionization yield and the peak position can be coherently controlled by the time delay between the two pulses.
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页码：377 / +
页数：3
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