Bright cavity polariton solitons

Reference:

Egorov, O. A., Skryabin, D. V., Yulin, A. V. and Lederer, F., 2009. Bright cavity polariton solitons. Physical Review Letters, 102 (15), 153904.

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Official URL:

http://dx.doi.org/10.1103/PhysRevLett.102.153904

Abstract

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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