Wavevector sensitive phonon excitation by ultrashort light pulses

被引：9
|
作者：
Albert, O [1 ]
Gautier, CA
Loulergue, JC
Etchepare, J
机构：
[1] ENSTA, Ecole Polytech, Lab Opt Appl, CNRS,UMR 7639, F-91761 Palaiseau, France
[2] Univ Metz & Supelec, Ctr Lorrain Opt & Elect Solide, F-57078 Metz, France
来源：
SOLID STATE COMMUNICATIONS | 1998年 / 107卷 / 10期
关键词：
time resolved optical spectroscopies; nonlinear optics; phonons;
D O I：
10.1016/S0038-1098(98)00272-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We demonstrate that phonon coherent excitation with ultra short pulses can be ascribed to an impulsive or a spectral mechanism. The resulting contrary behaviors, that depend inherently on wavelength matching conditions and exist simultaneously, are revealed and selected using a specific detection arrangement. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：567 / 570
页数：4
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