Asymmetric parametric amplification in nonlinear left-handed transmission lines

Details Asymmetric parametric amplification in nonlinear left-handed transmission lines Asymmetric parametric amplification in nonlinear left-handed transmission lines

2008-12-16

arxiv.org/abs/0812.2945v2

Appl. Phys. Lett. 94, 084105 (2009)

Physics

Optics

Scientific paper

10.1063/1.3089842

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.

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