Enhanced soliton interactions by inhomogeneous nonlocality and nonlinearity

Details Enhanced soliton interactions by inhomogeneous nonlocality and nonlinearity Enhanced soliton interactions by inhomogeneous nonlocality and nonlinearity

2007-09-11

arxiv.org/abs/0709.1697v1

Phys. Rev. A 76, 033812 (2007)

Nonlinear Sciences

Pattern Formation and Solitons

22 pages, 5 figures, to appear in Physical Review A

Scientific paper

10.1103/PhysRevA.76.033812

We address the interactions between optical solitons in the system with longitudinally varying nonlocality degree and nonlinearity strength. We consider a physical model describing light propagation in nematic liquid crystals featuring a strongly nonlocal nonlinear response. We reveal that the variation of the nonlocality and nonlinearity along the propagation direction can substantially enhance or weaken the interaction between out-of-phase solitons. This phenomenon manifests itself as a slowdown or acceleration of the soliton collision dynamics in one-dimensional geometries or of the soliton spiraling rate in bulk media. Therefore, one finds that by engineering the nonlocality and nonlinearity variation rate one can control the output soliton location.

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