Journal
APPLIED PHYSICS LETTERS
Volume 98, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3593032
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Funding
- ANR [ANR-06-BLAN-0135]
- European Project Clermont4 [FP7-PEOPLE-ITN-2008 235114]
- Agence Nationale de la Recherche (ANR) [ANR-06-BLAN-0135] Funding Source: Agence Nationale de la Recherche (ANR)
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The lasing operation of a ZnO planar microcavity under optical pumping is demonstrated from T=80 to 300 K. At the laser threshold, the cavity switches from the strong coupling to the weak coupling regime. A gain-related transition, which appears while still observing polariton branches and, thus, with stable excitons, is observed below 240 K. This shows that exciton scattering processes, typical of II-VI semiconductors, are involved in the gain process. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3593032]
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