Temperature Dependence and Non-Linear Polarization Properties of Parametric Polariton Scattering in Semiconductor Microcavities
✍ Scribed by Tartakovskii, A.I. ;Krizhanovskii, D.N. ;Kurysh, D.A. ;Kulakovskii, V.D. ;Skolnick, M.S. ;Roberts, J.S.
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 89 KB
- Volume
- 190
- Category
- Article
- ISSN
- 0031-8965
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✦ Synopsis
Polariton-polariton scattering is studied in a III-V microcavity (MC) by cw polarized photoluminescence techniques using resonant excitation into the lower polariton (LP) branch. Such excitation conditions allow the parametric process leading to the creation of macroscopic coherent populations of the signal and idler final states. The stimulated scattering into these modes is found to be resonantly enhanced under elliptically polarized excitation when a transition to the singlet biexciton intermediate state is allowed. The influence of dephasing mechanisms on coherence effects in strongly optically driven MCs, and the origin of energy renormalization of the signal and idler modes is investigated from a study of the temperature dependence of the parametric scattering.