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

页码：567 / 570

页数：4

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