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Competing nonlinearities with metamaterials

Kapitanova, Polina V.; Slobozhnanyuk, Alexey P.; Shadrivov, Ilya V.; Belov, Pavel A.; Kivshar, Yuri


We suggest an approach for creating metamaterials with sign-varying nonlinear response. We demonstrate that microwavemetamaterials with such competing nonlinearities can be created by loading split-ring resonators (“meta-atoms” of the structure) with pairs of varactor diodes and photodiodes exhibiting nonmonotonic resonance frequency shift with changing incident microwave power. Additionally, the nonlinear response of such metamaterials can be controlled by illuminating the meta-atoms by light.

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.4768945


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