Second-harmonic generation from complementary split-ring resonators
We present experiments on second-harmonic generation from arrays of magnetic split-ring resonators and arrays of complementary split-ring resonators. In both cases, the fundamental resonance is excited by the incident femtosecond laser pulses under normal incidence, leading to comparably strong second-harmonic signals. These findings are discussed in terms of Babinet’s principle and in terms of a recently developed microscopic classical theory that leads to good agreement regarding the...[Show more]
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