Strain-induced optical anisotropy in self-organized quantum structures at the E1 transition

被引:11
|
作者
Prieto, JA [1 ]
Armelles, G [1 ]
Priester, C [1 ]
García, JM [1 ]
González, L [1 ]
García, R [1 ]
机构
[1] CSIC, CNM, Inst Microelect Madrid, Madrid 28760, Spain
关键词
D O I
10.1063/1.126854
中图分类号
O59 [应用物理学];
学科分类号
摘要
In-plane optical anisotropies of (001)-oriented InAs/InP self-assembled quantum wires and dots structures are studied by means of photoreflectance in the spectral region of the E-1 transition of bulk InAs. The energy position of the transition observed in the quantum wires depends on the light polarization; quantum dots do not exhibit, in contrast, such an optical anisotropy. This anisotropy is attributed to the splitting of the four-fold degenerate E-1 transition produced by the strong triaxial behavior of the strain that appears in wires and not in dots. (C) 2000 American Institute of Physics. [S0003-6951(00)00616-1].
引用
收藏
页码:2197 / 2199
页数:3
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