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Nonlinear tunable metamaterials for microwave frequencies | | Ilya V. Shadrivov
; Alexander B. Kozyrev
; Daniel W. van der Weide
; Yuri S. Kivshar
; | | Date: |
1 May 2008 | | Abstract: | We study the properties of the tunable nonlinear metamaterial operating at
microwave frequencies. We fabricate the metamaterial composed of split-ring
resonators and wires where a varactor diode is introduced into each resonator
so that the magnetic resonance can be tuned dynamically by varying the
amplitude of the propagating electromagnetic waves. We show that at higher
powers the transmission of the metamaterial becomes power-dependent, and the
metamaterial demonstrates nonlinear properties, as suggested earlier [A. Zharov
et al., Phys. Rev. Lett. 91, 037401 (2003)]. We demonstrate the power-induced
shift of the left-handed transmission band, selective generation of higher
harmonics, as well as enhancement or suppression of the wave transmission. | | Source: | arXiv, 0805.0028 | | Services: | Forum | Review | PDF | Favorites | |
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