Modulation analysis of nonlinear beam refraction at an interface in liquid crystals

Gaetano Assanto, Noel F. Smyth, Wenjun Xia

    Research output: Contribution to journalArticleScientificpeer-review

    20 Citations (Scopus)

    Abstract

    A theoretical investigation of solitary wave refraction in nematic liquid crystals is undertaken. A modulation theory based on a Lagrangian formulation of the governing optical solitary wave equations is developed. The resulting low-dimensional equations are found to give solutions in excellent agreement with full numerical solutions of the governing equations, as well as with previous experimental studies. The analysis deals with a number of types of refraction from a more to a less optically dense medium, the most famous being the Goos-Hänchen shift upon total internal reflection.

    Original languageEnglish
    Article number033818
    JournalPhysical Review A
    Volume84
    Issue number3
    DOIs
    Publication statusPublished - 13 Sep 2011
    Publication typeA1 Journal article-refereed

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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