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Chaos. 2007 Sep;17(3):037113.

Dynamic and static position control of optical feedback solitons.

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  • 1Institut für Angewandte Physik, and Center for Nonlinear Science, Westfälische Wilhelms Unisversität Münster, Corrensstrasse 2-4, 48149 Münster, Germany. guetlich@uni-muenster.de

Abstract

We report on the experimental implementation of an external control for optical feedback solitons using incoherent spatial intensity distributions in a liquid crystal light valve (LCLV) optical single feedback system. The external control provides excellent experimental possibilities for static and dynamic control of the lateral positions of the optical feedback solitons which will be demonstrated. Particularly, the influence of different gradients onto the drift motion of spatial solitons is experimentally investigated in detail. In agreement with theoretical predictions, the drift velocity of the soliton increases according to the steepness of the gradient. Additionally, a completely incoherent addressing scheme including creation and erasure of feedback solitons is demonstrated for the LCLV setup.

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