All-optical switching of a signal by a pair of interacting nematicons

Ya V. Izdebskaya*, J. Rebling, A. S. Desyatnikov, G. Assanto, Yu S. Kivshar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    We investigate a power tunable junction formed by two interacting spatial solitons self-trapped in nematic liquid crystals. By launching a counter-propagating copolarized probe we assess the guided-wave behavior induced by the solitons and demonstrate a novel all-optical switch. Varying soliton power the probe gets trapped into one or two or three guided-waves by the soliton-induced index perturbation, an effect supported by the nonlocal nonlinearity.

    Original languageEnglish
    Pages (from-to)24701-24707
    Number of pages7
    JournalOptics Express
    Volume20
    Issue number22
    DOIs
    Publication statusPublished - 22 Oct 2012

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