Control of high-order harmonic emission using attosecond pulse trains

被引:34
作者
Biegert, J [1 ]
Heinrich, A
Hauri, CP
Kornelis, W
Schlup, P
Anscombe, MP
Gaarde, MB
Schafer, KJ
Keller, U
机构
[1] ETH, Dept Phys, CH-8093 Zurich, Switzerland
[2] Louisiana State Univ, Dept Phys, Baton Rouge, LA 70803 USA
关键词
D O I
10.1080/09500340500167669
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show that attosecond pulse trains are a natural tool to control strong field processes such as high-order harmonic generation. Coherently combining an attosecond pulse train with an IR driving field, we predict and experimentally confirm enhancement and spectral narrowing of the harmonic yield at photon energies around 90 eV. The use of an attosecond pulse train to seed the harmonic generation process replaces tunneling ionization with a single-photon ionization step, therefore permitting the manipulation of the time-frequency properties of high-order harmonic generation already at the single-atom level.
引用
收藏
页码:87 / 96
页数:10
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