Effects of applied electric and magnetic fields on the nonlinear optical properties of asymmetric GaAs/Ga1-xAlxAs double inverse parabolic quantum well

被引：66

作者：

Al, E. B. ^{[1
]}

Ungan, F. ^{[2
]}

Yesilgul, U. ^{[2
]}

Kasapoglu, E. ^{[1
]}

Sari, H. ^{[1
]}

Sokmen, I. ^{[3
]}

机构：

[1] Cumhuriyet Univ, Fac Sci, Dept Phys, TR-58140 Sivas, Turkey

[2] Cumhuriyet Univ, Fac Technol, Dept Opt Engn, TR-58140 Sivas, Turkey

[3] Dokuz Eylul Univ, Dept Phys, Fac Sci, TR-35160 Izmir, Turkey

来源：

OPTICAL MATERIALS | 2015年 / 47卷

关键词：

Double inverse parabolic quantum well; Nonlinear optical properties; Electric and magnetic fields; HYDROSTATIC-PRESSURE; ABSORPTION; LASER; RECTIFICATION; DOT; IMPURITY; STATES; SYSTEMS; DISK;

D O I：

10.1016/j.optmat.2015.06.048

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The combined effects of electric and magnetic fields on the optical absorption coefficients and refractive index changes related to the intersubband transitions within the conduction band of asymmetric GaAs/Ga1-xAlxAs double inverse parabolic quantum wells are studied using the effective-mass approximation and the compact density-matrix approach. The results are presented as a function of the incident photon energy for the different values of the electromagnetic fields and the structure parameters such as quantum well width and the Al concentration at the well center. It is found that the optical absorption coefficients and the refractive index changes are strongly affected not only by the magnitudes of the electric and magnetic fields but also by the structure parameters of the system. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：1 / 6

页数：6

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