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Asymmetric parametric amplification in nonlinear left-handed transmission lines

Powell, David A.; Shadrivov, Ilya V.; Kivshar, Yuri S.

Description

We study parametric amplification in nonlinear left-handed transmission lines, which serve as model systems for nonlinear negative index metamaterials. We experimentally demonstrate amplification of a weak pump signal in three 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 15dB in the left-handed regime.

CollectionsANU Research Publications
Date published: 2009-02-27
Type: Journal article
URI: http://hdl.handle.net/1885/95052
Source: Applied Physics Letters
DOI: 10.1063/1.3089842

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