Abstract
Semiconductor micropillars offer an interesting way of studying polaritons in zero-dimensional cavities [1, 2]. In such cavities, photons are confined vertically, by the Bragg mirrors, and laterally by the index of refraction contrast between the air and the semiconductor. Zero dimensional polariton modes are the result of this threedimensional confinement [3, 4]. These modes do not experience the bottleneck effect present in planar microcavities, meaning polariton lasing can be achieved with relative ease [5]. We study the polarisation dynamics of a GaAs/AlGaAs micropillar in the non-linear regime under non-resonant excitation.
© 2009 IEEE
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