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SPATIAL SOLITONS IN LIQUID CRYSTALS

机译:液体晶体中的空间孤子

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摘要

Reorientational phenomenon in liquid crystals is unique for nonlinear optics applications. Recently there have been shown that the reerientational nonlinearity in nematic liquid crystals can govern spatial solitons in both waveguide and bulk geometry. Such solitons require a few milliwats of light power and they can be controlled by the state of light polarisation or an external electric field. In this paper, the theoretical analysis and experimental results on optical solitons in nematic liquid crystals due to the reorientational nonlinearity are reviewed. The discussion of their properties is preceded by a brief introduction to nonlinear optics of liquid crystals.
机译:液晶中的重新定向现象对于非线性光学应用而言是独特的。最近已经显示,向列型液晶中的取向非线性可以控制波导和体几何中的空间孤子。这样的孤子需要几毫瓦的光功率,并且可以通过偏振态或外部电场来控制它们。本文综述了由于方向性非线性导致向列液晶中光学孤子的理论分析和实验结果。在讨论它们的特性之前,先简要介绍液晶的非线性光学。

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