GRATING COUPLER EFFECTS ON INELASTIC LIGHT-SCATTERING BY PLASMONS IN MICRO STRUCTURED GAAS MQW SYSTEMS

被引:4
作者
EGELER, T
ABSTREITER, G
WEIMANN, G
DEMEL, T
HEITMANN, D
SCHLAPP, W
机构
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
[2] DEUTSCH BUNDESPOST,FORSCHUNGSINST,W-6100 DARMSTADT,GERMANY
关键词
D O I
10.1016/0039-6028(90)90914-T
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Plasmons in modulation doped MQW systems are studied by micro Raman spectroscopy on unstructured samples and after preparation of a grating in the upper part of the sample. The structured samples show a series of additional peaks in the energy range of the plasmon dispersion measured on the unstructured sample using different scattering geometries. They are attributed to plasmons excited by the grating coupler effect of the wire system. © 1990.
引用
收藏
页码:391 / 393
页数:3
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