Asymmetric parametric amplification in nonlinear left-handed transmission lines
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Powell, David A.; Shadrivov, Ilya V.; Kivshar, Yuri
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.
Collections | ANU Research Publications |
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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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01_Powell_Asymmetric_parametric_2009.pdf | Published Version | 274.89 kB | Adobe PDF |
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