Control of long electron quantum paths in high-order harmonic generation by phase-stabilized light pulses

被引：28
作者：
Sansone, G. [1 ]
Benedetti, E. [1 ]
Caumes, J. -P. [1 ]
Stagira, S. [1 ]
Vozzi, C. [1 ]
De Silvestri, S. [1 ]
Nisoli, M. [1 ]
机构：
[1] Politecn Milan, INFM, Dept Phys, CNR,Natl Lab Ultrafast & Ultraintense Opt Sci, I-20133 Milan, Italy
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.73.053408
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work we report on the first experimental demonstration of selection of the long electron quantum paths in the process of high-order harmonic generation by phase-stabilized multiple-cycle light pulses. A complete experimental investigation of the role of intensity and carrier-envelope phase of the driving pulses on the spectral characteristics of the long quantum paths is performed. Simulations based on the nonadiabatic saddle-point method and on a complete nonadiabatic three-dimensional model reproduce the main features of the experimental results. The use of phase-stabilized driving pulses allows one to control, on an attosecond temporal scale, the spectral and temporal characteristics associated with the electron quantum paths involved in the harmonic generation process.
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页数：7
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