期刊
PHYSICAL REVIEW B
卷 71, 期 15, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.71.155311
关键词
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We report on time-resolved photoluminescence measurements on a II-VI CdTe/CdMnTe semiconductor microcavity in the strong-coupling regime. Under nonresonant excitation, we observe the buildup of a large population in the polariton states close to the Brillouin-zone center with occupation factors larger than 10. A spectacular spectral narrowing is measured, together with a strong acceleration of the polariton relaxation. A simple rate equation model describing the stimulated polariton-polariton scatterings toward the lowest-energy polariton states gives a good overall description of the measured dynamic.
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