Nonlinear intersubband absorption and refractive index changes in square and graded quantum well modulated by temperature and Hydrostatic pressure

被引：37

作者：

Ozturk, Emine ^{[1
]}

Sokmen, Ismail ^{[2
]}

机构：

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

[2] Dokuz Eylul Univ, Dept Phys, TR-35160 Izmir, Turkey

来源：

JOURNAL OF LUMINESCENCE | 2013年 / 134卷

关键词：

Square and graded quantum well; Optical absorption coefficient; Refractive index changes; Linear and nonlinear transitions; Hydrostatic pressure; Temperature; INTENSE LASER FIELD; APPLIED ELECTRIC-FIELD; OPTICAL-ABSORPTION; CONDUCTION-BAND; DONOR IMPURITIES; MAGNETIC-FIELDS; BINDING-ENERGY; GAAS; TRANSITIONS; STATES;

D O I：

10.1016/j.jlumin.2012.09.020

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this study, the effects of hydrostatic pressure and temperature on the linear and nonlinear intersubband transitions and the refractive index changes in the conduction band of square and graded quantum well (QW) are theoretically calculated within the framework of effective mass approximation. Results obtained show that the energy levels in different QWs and intersubband properties can be modified and controlled by the hydrostatic pressure and temperature. The modulation of the absorption coefficients and the refractive index changes which can be suitable for good performance optical modulators and various infrared optical device applications can be easily obtained by tuning the temperature and the hydrostatic pressure. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：42 / 48

页数：7

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