Unlocking Optical Coupling Tunability in Epsilon‐Near‐Zero Metamaterials Through Liquid Crystal Nanocavities
Giuseppe Emanuele Lio,
Antonio Ferraro,
Bruno Zappone
et al.
Abstract:Epsilon‐near‐zero (ENZ) metamaterials represent a powerful toolkit for selectively transmitting and localizing light through cavity resonances, enabling the study of mesoscopic phenomena and facilitating the design of photonic devices. In this experimental study, it demonstrates the feasibility of engineering and actively controlling cavity modes, as well as tuning their mutual coupling, in an ENZ multilayer structure. Specifically, by employing a high‐birefringence liquid crystal film as a tunable nanocavity,… Show more
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