Slow-light enhanced optical forces between longitudinally shifted photonic-crystal nanowire waveguides

Yue Sun*, Thomas P. White, Andrey A. Sukhorukov

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    We reveal that slow-light enhanced optical forces between side-coupled photonic-crystal nanowire waveguides can be flexibly controlled by introducing a relative longitudinal shift. We predict that close to the photonic band edge, where the group velocity is reduced, the transverse force can be tuned from repulsive to attractive, and the force is suppressed for a particular shift value. Additionally the shift leads to symmetry breaking that can facilitate longitudinal forces acting on the waveguides, in contrast to unshifted structures where such forces vanish.

    Original languageEnglish
    Pages (from-to)785-787
    Number of pages3
    JournalOptics Letters
    Volume37
    Issue number5
    DOIs
    Publication statusPublished - 1 Mar 2012

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