期刊
APPLIED PHYSICS LETTERS
卷 95, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3232228
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资金
- ANR [ANR-06-BLAN-0135]
- Agence Nationale de la Recherche (ANR) [ANR-06-BLAN-0135] Funding Source: Agence Nationale de la Recherche (ANR)
The strong coupling regime in a ZnO microcavity is investigated through room temperature photoluminescence and reflectivity experiments. The simultaneous strong coupling of excitons to the cavity mode and the first Bragg mode is demonstrated at room temperature. The polariton relaxation is followed as a function of the excitation density, showing a nonthermal polariton distribution. A relaxation bottleneck is evidenced in the Bragg-mode polariton branch. It is partly broken under strong excitation density, so that the emission from this branch dominates the one from cavity-mode polaritons. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3232228]
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