Intersubband transitions in an asymmetric double quantum well

被引：51
|
作者：
Ozturk, Emine [1 ]
Sokmen, Ismail
机构：
[1] Cumhuriyet Univ, Dept Phys, TR-58140 Sivas, Turkey
[2] Dokuz Eylul Univ, Dept Phys, Izmir, Turkey
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2007年 / 41卷 / 01期
关键词：
asymmetric double quantum well; optical transitions; barrier width; well width;
D O I：
10.1016/j.spmi.2006.10.006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The intersubband optical absorption in an asymmetric double quantum well for different barrier widths and the right well widths are theoretically calculated within the framework of effective mass approximation. The results obtained show that the intersubband transitions and the energy levels in an asymmetric double quantum well can be importantly modified and controlled by the barrier width and the well width. The sensitivity to the barrier and well widths of the absorption coefficient can be used in various optical semiconductor device applications. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：36 / 43
页数：8
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