Bright cavity polariton solitons

Details Bright cavity polariton solitons Bright cavity polariton solitons

2009-01-27

arxiv.org/abs/0901.4270v1

Phys. Rev. Lett., April 2009. Vol. 102, pp. 153904

Physics

Condensed Matter

Other Condensed Matter

4 pages

Scientific paper

The lower branch of the dispersion relation of exciton polaritons in semiconductor microcavities, operating in the strong-coupling regime, contains sections of both positive and negative curvature along one spatial direction. We show that this leads to the existence of stable one-dimensional bright microcavity solitons supported by the repulsive polariton nonlinearity. To achieve localization along the second transverse direction we propose to create a special soliton waveguide by changing the cavity detuning and hence the boundary of the soliton existence in such a way that the solitons are allowed only within the stripe of the desired width.

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