Directional scattering dynamics of microcavity polaritons

W. Langbein, Jørn Märcher Hvam

Research output: Contribution to journalJournal articleResearchpeer-review


The directional resonant secondary emission of a semiconductor microcavity is investigated. Exciting the lower polariton branch, a directional emission on a ring is observed. The coherent emission ring shows a reduction of its angular width for increasing time, a direct evidence for the time-energy uncertainty in the disorder scattering dynamics. The ring width is decreasing down to an intrinsic width given by the polariton disorder scattering.
Original languageEnglish
JournalPhysica Status Solidi A
Issue number2
Pages (from-to)327-332
Publication statusPublished - 2002


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