Optical properties of Ga1-xInxAs/GaAs(001) quantum well superlattices:: Exciton and polariton dispersion curves

被引：0

作者：

Tomassini, N ^{[1
]}

D'Andrea, A ^{[1
]}

Pilozzi, L ^{[1
]}

Schiumarini, D ^{[1
]}

机构：

[1] CNR, Ist Metodol Inogan & Plasmi, I-00016 Monterotondo, Italy

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 1, NO 6 | 2004年 / 1卷 / 06期

关键词：

D O I：

10.1002/pssc.200304077

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Wannier exciton wavefunctions and energies have been computed in superlattices of strained Ga1-xInxAs/GaAs(001) quantum wells (SLQWs) using Luttinger Hamiltonian and accurate variational envelope functions. Exciton dispersion curves of the SLQWs are then obtained by computing exciton energies for different K-points of the corresponding first Brillouin zone. Photon dispersion curves, due to the background dielectric constant modulation, and the polariton dispersion curves have been computed in the semiclassical self-consistent framework. The results are discussed for the case of exciton energies far from the photonic gaps. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1403 / 1409

页数：7

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