Langbein, Wolfgang Werner and Hvam, Jørn 2002. Elastic Scattering Dynamics of Cavity Polaritons: Evidence for Time-Energy Uncertainty and Polariton Localization. Physical Review Letters 88 (4) , 047401. 10.1103/PhysRevLett.88.047401 |
Abstract
The directional dynamics of the resonant Rayleigh scattering from a semiconductor microcavity is investigated. When optically exciting the lower polariton branch, the strong dispersion results in a directional emission on a ring. The coherent emission ring shows a reduction of its angular width for increasing time after excitation, giving direct evidence for the time-energy uncertainty in the dynamics of the scattering by disorder. The ring width converges with time to a finite value, a direct measure of an intrinsic momentum broadening of the polariton states localized by multiple disorder scattering.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Subjects: | Q Science > QC Physics |
Publisher: | American Physical Society |
ISSN: | 0031-9007 |
Last Modified: | 04 Jun 2017 05:08 |
URI: | http://orca.cf.ac.uk/id/eprint/48862 |
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