Nonlinear optical response of hole-trion systems in quantum dots in tilted magnetic fields

被引：2

作者：

Machnikowski, Pawel ^{[1
]}

Kuhn, Tilmann ^{[2
]}

机构：

[1] Wroclaw Univ Technol, Inst Phys, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland

[2] Univ Munster, Inst Solid State Theory, D-48149 Munster, Germany

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 4 | 2011年 / 8卷 / 04期

关键词：

nonlinear optical spectroscopy; spin; decoherence; magnetooptical Kerr effect;

D O I：

10.1002/pssc.201000809

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We discuss, from a theoretical point of view, the four wave mixing spectroscopy on an ensemble of p-doped quantum dots in a magnetic field slightly tilted from the in-plane configuration. We describe the system evolution in the density matrix formalism. In the limit of coherent ultrafast optical driving, we obtain analytical formulas for the single system dynamics and for the response of an inhomogeneously broadened ensemble. The results are compared to the previously studied time-resolved Kerr rotation spectroscopy on the same system. We show that the Kerr rotation and four wave mixing spectra yield complementary information on the spin dynamics (precession and damping). (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1231 / 1234

页数：4

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