High pulse area undamping of Rabi oscillations in quantum dots coupled to phonons

被引：16
|
作者：
Vagov, A.
Croitoru, M. D.
Axt, V. M.
Kuhn, T.
Peeters, F. M.
机构：
[1] Univ Antwerp, Dept Phys, B-2020 Antwerp, Belgium
[2] Univ Munster, Inst Festkorpertheorie, D-48149 Munster, Germany
[3] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2006年 / 243卷 / 10期
关键词：
D O I：
10.1002/pssb.200668029
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We study the dynamics of strongly confined semiconductor quantum dots, coupled to acoustic phonons and driven by external laser pulses, by a numerical path integral method. Our method fully explores the relevant memory of the system thus accounting for all non-Markovian features of the dynamics. The decay time and the frequency of Rabi oscillations are found to depend notably on the temperature and the applied field. The field dependence is non-monotonic leading to an undamping of Rabi oscillations at high pulse areas. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2233 / 2240
页数：8
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