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Applied Physics Letters / Volume 98 / Issue 17 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 98, 171907 (2011); http://dx.doi.org/10.1063/1.3583521 (3 pages)

Observation of slow-light in a metamaterials waveguide at microwave frequencies

Salvatore Savo1,2, B. D. F. Casse1, Wentao Lu (陆文韬)1, and Srinivas Sridhar1

1Department of Physics and Electronic Materials Research Institute, Northeastern University, Boston, Massachusetts 02115, USA
2Department of Physics and CNR-SPIN, University of Naples “Federico II,” I-80125 Naples, Italy

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(Received 13 January 2011; accepted 29 March 2011; published online 27 April 2011)

We report an experimental observation of slow-light in the GHz microwave regime utilizing the mechanism of the degeneracy of forward and backward waves in a planar waveguide consisting of a dielectric core cladded by single-negative metamaterial. The metamaterial cladding consists of periodic arrays of metallic split-ring resonators, exhibiting an effective negative permeability. Group delay dispersions obtained from pulsed measurements are in complete agreement with theoretical predictions.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

magnetic permeability, metamaterials, microwave spectra, optical dispersion, optical planar waveguides, optical resonators, slow light

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3583521

PUBLICATION DATA

ISSN

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

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

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    W. T. Lu, Y. J. Huang, B. D. F. Casse, R. K. Banyal, and S. Sridhar, Appl. Phys. Lett. 96, 211112 (2010)APPLAB000096000021211112000001.

    A. Pimenov, A. Loidl, P. Przyslupski, and B. Dabrowski, Phys. Rev. Lett. 95, 247009 (2005).

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    T. Koschny, P. M. D. R. Smith, and C. M. Soukoulis, Phys. Rev. E 68, 065602 (2003).


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