Room-temperature polariton luminescence from a bulk GaN microcavity -: art. no. 033315

被引：71

作者：

Butté, R ^{[1
]}

Christmann, G ^{[1
]}

Feltin, E ^{[1
]}

Carlin, JF ^{[1
]}

Mosca, M ^{[1
]}

Ilegems, M ^{[1
]}

Grandjean, N ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Quantum Elect & Photon, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.73.033315

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report strong exciton-photon coupling at room temperature in a hybrid high quality bulk 3 lambda/2 GaN cavity with a bottom lattice-matched AlInN/AlGaN distributed Bragg reflector through angle-resolved polarized photoluminescence (PL). Coupling of the optically active free excitons (X-A, X-B, and X-C) to the cavity mode is demonstrated, with their contribution to the PL spectra varying with polarization. Under TE polarization, exciton oscillator strengths for X-A and X-B are about one order of magnitude larger than in bulk GaAs. Photoluminescence exhibits a strong bottleneck effect despite its thermal lineshape.

引用

页数：4

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