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Asymmetric parametric amplification in nonlinear left-handed transmission lines

Appl. Phys. Lett. 94, 084105 (2009); doi:10.1063/1.3089842

Published 27 February 2009

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David A. Powell, Ilya V. Shadrivov, and Yuri S. Kivshar
Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia
We study parametric amplification in nonlinear left-handed transmission lines, which serve as model systems for nonlinear negative-index metamaterials. We experimentally demonstrate the amplification of a weak signal in the three following regimes: with the signal in the left-handed band, with the signal in the stop band, and with the signal at a defect frequency. In particular, we demonstrate the amplification of the incident wave by up to 15 dB in the left-handed regime. ©2009 American Institute of Physics
History: Received 15 December 2008; accepted 8 February 2009; published 27 February 2009
Permalink: http://link.aip.org/link/?APPLAB/94/084105/1
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KEYWORDS and PACS

Keywords
PACS
  • 84.40.Az
    Waveguides, transmission lines, striplines
  • 42.65.Lm
    Parametric down conversion and production of entangled photons
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (12)
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