Theory of the Interaction of Light Beams via Polariton-Polariton Scattering
- 15 October 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 8 (8) , 3861-3864
- https://doi.org/10.1103/physrevb.8.3861
Abstract
The theory of spontaneous polariton-polariton scattering in a semiconductor is developed. This process gives rise to an interaction which may be interpreted as light-by-light scattering. For wavelengths just below the exciton absorption band, the polariton-polariton scattering cross section is shown to be closely related to the cross section for elastic exciton-exciton scattering. The particular case of polariton-polariton scattering in CdS is discussed.Keywords
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