THE OPTICAL-PROPERTIES OF ALGAAS/GAAS HYPERBOLIC QUANTUM-WELL STRUCTURES

被引：23

作者：

LI, EH

WEISS, BL

机构：

[1] Department of Electronic and Electrical Engineering, University of Surrey, Guildford

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 02期

关键词：

D O I：

10.1063/1.349694

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The optical properties of a nonsquare quantum well with a hyperbolic potential profile have been analyzed. The quantized energy levels for the confined carriers are determined analytically using the effective mass approximation. The absorption coefficients for an undoped AlGaAs/GaAs hyperbolic quantum-well structure have been calculated based on the one electron density matrix formulation, taking into account broadening effect due to intraband relaxation by carrier-carrier scattering. The results show that the absorption edge as well as its peak value are more sensitive to well shape than well width.

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页码：1054 / 1056

页数：3

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