Exciton spin state mediated photon-photon coupling in a strongly coupled quantum dot microcavity system

被引：25

作者：

Reitzenstein, S. ^{[1
,2
]}

Muench, S. ^{[1
,2
]}

Franeck, P. ^{[1
,2
]}

Loeffler, A. ^{[1
,2
]}

Hoefling, S. ^{[1
,2
]}

Worschech, L. ^{[1
,2
]}

Forchel, A. ^{[1
,2
]}

Ponomarev, I. V. ^{[3
]}

Reinecke, T. L. ^{[3
]}

机构：

[1] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany

[2] Univ Wurzburg, Wilhelm Conrad Rontgen Res Ctr Complex Mat Syst, D-97074 Wurzburg, Germany

[3] USN, Res Lab, Washington, DC 20375 USA

来源：

PHYSICAL REVIEW B | 2010年 / 82卷 / 12期

关键词：

CAVITY;

D O I：

10.1103/PhysRevB.82.121306

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Semiconductor microcavities play a key role in connecting exciton states and photons in advancing quantum information in solids. In this work we report on coherent interaction between high quality microcavity photon modes and spin states of a quantum dot in the strong coupling regime of cavity quantum electrodynamics. The coupling between the photon and exciton modes is studied by varying the temperature, where the spin states are resolved with a magnetic field applied in Faraday configuration. A detailed oscillator model is used to extract coupling parameters of the individual spin and cavity modes, which shows that the coupling depends on features of the mode symmetries. Our results demonstrate an effective coupling between photon modes that is mediated by the exciton spin states.

引用

页数：4

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