OPTICALLY DETECTED FAR-INFRARED RESONANCES IN DOPED GAAS QUANTUM-WELLS

被引：37

作者：

KONO, J

LEE, ST

SALIB, MS

HEROLD, GS

PETROU, A

MCCOMBE, BD

机构：

[1] Department of Physics, State University of New York at Buffalo, Buffalo

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.52.R8654

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have observed a variety of far-infrared resonances, including the transition from the ground state to the first excited state in neutral donors, and singlet and triplet transitions of negative donor ions (D-), as well as electron-cyclotron resonance, in well-center-doped GaAs quantum wells, employing a recently developed optical detection technique. The power of this technique for studying impurity states in confined systems is clearly revealed. Results provide evidence for the existence of D- centers under optical excitation in multiple-quantum-well structures doped only in the wells.

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页码：R8654 / R8657

页数：4

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