A frequency-preserving and time-invariant metamaterial-based nonlinear acoustic diode

24 Oct 2018 Gliozzi Antonio S. Miniaci Marco Krushynska Anastasiia O. Morvan Bruno Scalerandi Marco Pugno Nicola M. Bosia Federico

We present the realization of an acoustic diode or rectifier, exploiting symmetry-breaking nonlinear effects like harmonic generation and wave mixing and the filtering capabilities of metamaterials. The essential difference and advantage compared with previous acoustic diode realizations is that the present is simultaneously a time invariant, frequency preserving and switchable device... (read more)

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