Resonant Rayleigh scattering of exciton-polaritons in multiple quantum wells

被引：42
|
作者：
Malpuech, G [1 ]
Kavokin, A
Langbein, W
Hvam, JM
机构：
[1] Univ Clermont Ferrand 2, Lab Sci & Mat Elect & Automat, UMR 6602, CNRS, F-63177 Clermont Ferrand, France
[2] Univ Dortmund, Lehrstuhl Expt Phys EIIb, D-44227 Dortmund, Germany
[3] Tech Univ Denmark, Res Ctr COM, DK-2800 Lyngby, Denmark
来源：
PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.85.650
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A theoretical concept of resonant Rayleigh scattering (RRS) of exciton-polaritons in multiple quantum wells (QWs) is presented. The optical coupling between excitons in different QWs can strongly affect the RRS dynamics, giving rise to characteristic temporal oscillations on a picosecond scale. Bragg and anti-Bragg arranged QW structures with the same excitonic parameters are predicted to have drastically different RRS spectra. Experimental data on the RRS from multiple QWs show the predicted strong temporal oscillations at small scattering angles, which are well explained by the presented theory.
引用
收藏
页码：650 / 653
页数：4
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