Terahertz-induced changes of optical spectra in GaAs quantum wells

被引：0
|
作者：
Mi, XW [1 ]
Cao, JC [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2004年 / 21卷 / 06期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have theoretically investigated optical absorption spectra in GaAs quantum well (QW) driven by both a strong terahertz (THz) field and a near-infrared field within the theory of density matrix. In presence of a strong THz field, the optical transitions in the QW subbands are altered by the THz field. The alteration has a direct impact on the optical absorption and results in the Autler-Townes splitting and the sidebands generation, which is in agreement with the experiments.
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页码：1157 / 1160
页数：4
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