Exciton-polariton condensation in a natural two dimensional trap

Details Exciton-polariton condensation in a natural two dimensional trap Exciton-polariton condensation in a natural two dimensional trap

2009-03-16

arxiv.org/abs/0903.2723v2

Phys. Rev. B 80, 045301 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

15 pages, 4 figures

Scientific paper

10.1103/PhysRevB.80.045301

Bose Einstein condensation of exciton-polaritons has recently been reported in homogeneous structures only affected by random in-plane fluctuations. We have taken advantage of the ubiquitous defects in semiconductor microcavities to reveal the spontaneous dynamical condensation of polaritons in the quantised levels of a trap. We observe condensation in several quantized states, taking their snapshots in real and reciprocal space. We show also the effect of particle interactions for high occupations numbers, revealed by a change in the confined wave function toward the Thomas Fermi profile.

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