THEORY OF NONLINEAR-OPTICAL ABSORPTION IN COUPLED-BAND QUANTUM-WELLS WITH MANY-BODY EFFECTS

被引:28
作者
PEREIRA, MF
BINDER, R
KOCH, SW
机构
[1] UNIV ARIZONA,CTR OPT SCI,TUCSON,AZ 85721
[2] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721
关键词
D O I
10.1063/1.111180
中图分类号
O59 [应用物理学];
学科分类号
摘要
Nonlinear optical absorption spectra and refractive index changes are computed for coupled-band semiconductor quantum wells by numerically solving the interband polarization equation. The theory combines band-structure engineering with many-body techniques and is applied to lattice-matched GaAs-AlGaAs and strained InGaAs-GaAs systems with carrier densities ranging from the excitonic to the gain regimes. Good agreement with recent experimental results is found.
引用
收藏
页码:279 / 281
页数:3
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