Light-Induced Waveguides in Nematic Liquid Crystals

Gaetano Assanto, Noel F. Smyth

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)


    Spatial optical solitary waves in media with nonlinear refractive index are self-localized beams as well as waveguides induced by light. We review their guiding features in reorientational birefringent soft matter, namely nematic liquid crystals, for which a highly "nonlocal" response enhances the confinement, stabilization, and robustness of the generated optical solitary waves, termed "nematicons." The waveguiding properties of the spatial solitons in nematic liquid crystals are illustrated through the confinement of low-power signals and other solitary waves, as well as optical vortices.

    Original languageEnglish
    Article number7128341
    JournalIEEE Journal of Selected Topics in Quantum Electronics
    Issue number2
    Early online date18 Jun 2015
    Publication statusPublished - 2015
    Publication typeA1 Journal article-refereed


    • Liquid crystals
    • Nonlinear optics
    • Optical solitons
    • Optical vortices
    • Solitons

    Publication forum classification

    • Publication forum level 2

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Atomic and Molecular Physics, and Optics


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