This research explores the optical Kerr effect in epsilon-near-zero metamaterials, highlighting their nonlinear optical properties.
Metamaterials are artificially structured media offering multiple applications. Among them, epsilon-near-zero (ENZ) metamaterials are a platform for enhanced nonlinear optical phenomena. Multilayer hyperbolic metamaterials (MHMs) belong to the latter class and are tailorable structures for the study of the optical Kerr effect (OKE). In this work, different ENZ Au/SiN MHMs are crafted, their OKE parameters are spectrally characterized, and the nonlinear response temporal dynamics is studied.
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Sindoni et al. (2025) studied this question.
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