Reverse optical forces in negative index dielectric waveguide arrays

    Authors

    A. Salandrino;D. N. Christodoulides

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    RADIATION PRESSURE; BEAMS; Optics

    Abstract

    Nonconservative optical forces acting on dipolar particles are considered in longitudinally invariant optical fields. We demonstrate that the orientation of these forces is strictly dictated by the propagation vector associated with such field configurations. As a direct consequence of this, it is impossible to achieve a reversal of optical forces in homogeneous media. We show instead that translation invariant optical tractor fields can in fact be generated in the negative index environment produced in a special class of fully dielectric waveguide arrays. (C) 2011 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    36

    Issue/Number

    16

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    3103

    Last Page

    3105

    WOS Identifier

    WOS:000293890800030

    ISSN

    0146-9592

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