Abstract
In resonant secondary emission of light (SE), scattering by static disorder leads to coherent resonant Rayleigh scattering (RRS), while the scattering with other quasi-particles (e.g. phonons) leads to an incoherent emission called photoluminescence (PL). For a bare quantum well (QW) the SE does not depend significantly on the emission direction due to the small exciton dispersion within the optically accessible in-plane wave vectors. Compared to bare excitons the dispersion of microcavity (MC) polaritons is steep at small inplane wavevectors, so that MC polaritons show a directional RRS emission.1
© 2001 Optical Society of America
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