Physics of semiconductors and dielectrics: Two-photon absorption in nanoheterostructures with D (-)-centers

被引：0

作者：

Krevchik V.D. ^{[1
]}

Yashin S.V. ^{[1
]}

机构：

[1] Penza State University,

来源：

Russian Physics Journal | 2005年 / 48卷 / 7期

关键词：

Absorption Coefficient; Impurity Absorption; Spectral Dependence; Dielectric Matrix; Impurity Absorption Coefficient;

D O I：

10.1007/s11182-005-0192-0

中图分类号：

学科分类号：

摘要：

A two-photon impurity absorption coefficient of the "quantum dot - D (-)-center" complexes synthesized in a transparent dielectric matrix is calculated within the model of zero-radius potential. The evolution of spectral dependence of the absorption coefficient of the nanoheterostructure based on semiconductor CdS x Se 1-x glasses is studied versus the average quantum-dot radius. It is shown that the contribution of the two-photon impurity absorption to the exited two-photon luminescence is fairly significant at a reasonable quantum-dot concentration. © 2005 Springer Science+Business Media, Inc.

引用

页码：718 / 722

页数：4

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