Optically induced splitting of bright excitonic states in coupled quantum microcavities

被引：47

作者：

Armitage, A ^{[1
]}

Skolnick, MS

Astratov, VN

Whittaker, DM

Panzarini, G

Andreani, LC

Fisher, TA

Roberts, JS

Kavokin, AV

Kaliteevski, MA

Vladimirova, MR

机构：

[1] Univ Sheffield, Dept Phys, Sheffield S3 7RH, S Yorkshire, England

[2] AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

[3] Toshiba Cambridge Res Ctr, Cambridge CB3 0HE, England

[4] Univ Pavia, INFM, Dipartimento Fis A Volta, I-27100 Pavia, Italy

[5] Univ Western Australia, Dept Elect & Elect Engn, Nedlands, WA 6907, Australia

[6] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England

[7] Univ Rome 2, Dipartimento Ingn Elettron, I-00133 Rome, Italy

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.57.14877

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Optically induced lifting of the degeneracy of spatially separated quantum-well excitons is reported from angular-dependent studies of coupled-quantum-microcavity structures. Interaction between the symmetric, and antisymmetric photon modes of the coupled cavity and the corresponding combinations of the degenerate excitonic states gives rise to two bright excitons with a sizeable splitting of several meV, which together with the cavity modes lead to four dips in reflectivity spectra. In the near-resonance-regime, evidence for motional narrowing of the polariton spectra is found.

引用

页码：14877 / 14881

页数：5

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