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Slab of nonlinear electric metamaterials used in our experiments. The inset shows one structural element.
[(a)–(c)] Experimentally measured nonlinear transmission response at incident powers of 10, 20, and 30 dBm for different orientations.
Resonant modes of the electric resonators, showing the two current loops and their electric and magnetic dipole moments and , respectively.
Numerically calculated (a) electric and (b) magnetic dipole moments of the resonator aligned parallel to .
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