Observation of Time Evolution from Resonant Raman Scattering to Excitonic-Polariton Luminescence in ZnTe
- 1 December 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (22) , 2857-2860
- https://doi.org/10.1103/physrevlett.57.2857
Abstract
We report the evolution from resonant Raman scattering (RS) due to longitudinal-optical and acoustic phonons to excitonic-polariton luminescence in ZnTe at low temperature by picosecond time-resolved spectroscopy. The resonant RS lines deform with decay time of 300 ps into the ordinary polariton luminescence. The finite decay time of the RS lines shows evidence of a real transition on the polariton branch in the resonant RS process.Keywords
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