Chapter

Spontaneous Symmetry Breaking, Self-Trapping, and Josephson Oscillations

Volume 1 of the series Progress in Optical Science and Photonics pp 27-47

Date:

Light Self-Localization and Power-Dependent Steering in Anisotropic Dielectrics: Spatial Solitons in Uniaxial Nematic Liquid Crystals

  • Alessandro AlberucciAffiliated withNonlinear Optics and OptoElectronics Lab (NooEL), University “Roma Tre” Email author 
  • , Gaetano AssantoAffiliated withNonlinear Optics and OptoElectronics Lab (NooEL), University “Roma Tre”

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Abstract

We discuss nonlinear propagation of light beams in anisotropic media, addressing the role of nonlocality and nonlinearity in power-dependent beam self-steering. With specific reference to spatial solitons in positive uniaxial nematic liquid crystals (i.e. nematicons), we describe soliton self-acceleration through reorientational response and nonlinear walk-off.