Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.79.195310
Title: Signature of the microcavity exciton-polariton relaxation mechanism in the polarization of emitted light
Authors: Roumpos, G.
Lai, C.-W.
Liew, T.C.H. 
Rubo, Y.G.
Kavokin, A.V.
Yamamoto, Y.
Issue Date: 1-May-2009
Citation: Roumpos, G., Lai, C.-W., Liew, T.C.H., Rubo, Y.G., Kavokin, A.V., Yamamoto, Y. (2009-05-01). Signature of the microcavity exciton-polariton relaxation mechanism in the polarization of emitted light. Physical Review B - Condensed Matter and Materials Physics 79 (19) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.79.195310
Abstract: We have performed real and momentum space spin-dependent spectroscopies of spontaneously formed exciton polariton condensates for a nonresonant pumping scheme. Under a linearly polarized pump, our results can be understood in terms of spin-dependent Boltzmann equations in a two-state model. This suggests that relaxation into the ground state occurs after multiple phonon-scattering events and only one polariton-polariton scattering. For the circular pumping case, in which only excitons of one spin are injected, a bottleneck effect is observed, implying inefficient relaxation. © 2009 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112515
ISSN: 10980121
DOI: 10.1103/PhysRevB.79.195310
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