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Appl. Phys. Lett. 97, 091106 (2010); http://dx.doi.org/10.1063/1.3486480 (3 pages)

Substrate-induced bianisotropy in metamaterials

David A. Powell and Yuri S. Kivshar

Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia

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(Received 6 June 2010; accepted 17 August 2010; published online 2 September 2010)

We demonstrate that the presence of a supporting substrate can break the symmetry of a metamaterial structure, changing the symmetry of its effective parameters, and giving rise to bianisotropy. This indicates that magnetoelectric coupling will occur in all metamaterials fabricated on a substrate, including those with symmetric designs.

© 2010 American Institute of Physics

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KEYWORDS and PACS

PACS

  • 42.70.-a

    Optical materials

  • 78.67.Pt

    Multilayers; superlattices; photonic structures; metamaterials

  • 75.85.+t

    Magnetoelectric effects, multiferroics

ARTICLE DATA

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

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