Rabi oscillations in a semiconductor quantum dot: Influence of local fields

被引:54
|
作者
Slepyan, GY
Magyarov, A
Maksimenko, SA
Hoffmann, A
Bimberg, D
机构
[1] Belarusian State Univ, Inst Nucl Problems, Minsk 220050, BELARUS
[2] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany
关键词
D O I
10.1103/PhysRevB.70.045320
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The influence of electron-hole dipole-dipole interactions (local fields) on the excitonic Rabi oscillations in an isolated quantum dot (QD) has been theoretically investigated. An analysis for the QD interaction with monochromatic field and ultrashort Gaussian pulse has been performed. On the basis of optical Bloch equations the Rabi oscillation dynamics has been investigated. As a result, the bifurcation and essentially anharmonic regimes in the Rabi oscillations in a QD exposed to the monochromatic field have been predicted. The strong dependence of the period of Rabi oscillations on the QD depolarization has been revealed. For the Gaussian pulse it has been shown that the final state of inversion as a function of the pulse peak strength demonstrates step-like transitions.
引用
收藏
页码:045320 / 1
页数:5
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