Coherent acoustic phonons in GaAs/AlAs superlattices

被引：2

作者：

Bartels, A

Dekorsy, T

Kurz, H

Köhler, K

机构：

[1] Rhein Westfal TH Aachen, Inst Halbleitertech 2, D-52056 Aachen, Germany

[2] Fraunhofer Inst Angew Festkorperphys, D-79108 Freiburg, Germany

来源：

PHYSICA B | 1999年 / 263卷

关键词：

coherent phonons; superlattices; acoustic phonons; time resolved spectroscopy;

D O I：

10.1016/S0921-4526(98)01192-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Coherent zone-folded acoustic phonons are generated in GaAs/AlAs superlattices by excitation with femtosecond laser pulses. Three modes of first and second backfolded order are driven by resonant impulsive stimulated Raman scattering in forward and backward directions. The coherent vibrations are analyzed in a time resolved detection measurement and compared with Raman scattering cross sections. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：45 / 47

页数：3

共 7 条

[1] Coherent control of acoustic phonons in semiconductor superlattices [J].