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Conferences > NLO > 2021 > NW3B > NW3B.3

Tunable optical nonlinearities in epsilon-near-zero Au/Al2O3 multilayer metamaterials

Domenico Genchi, Ionut Gabriel Balasa, Tiziana Cesca, and Giovanni Mattei

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Abstract

We demonstrate the angle, polarization and intensity tunability of the optical Kerr effect in gold/alumina metamaterials investigated by the z-scan technique. We propose a model to predict their effective nonlinear refractive index and absorption coefficient.

© 2021 The Author(s)

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