We demonstrate high efficiency in the generation of optical induced time-reversal phase conjugate and negative refraction waves, from a temporal modulated deeply subwavelength epsilon-near-zero (ENZ) film integrated within a plasmonic metasurface. The strong coupling between the plasmonic resonance and the ENZ modes leads to a conversion efficiency that is more than 4 orders of magnitude greater than the bare ENZ film.
Negative refraction in time-varying, strongly-coupled plasmonic antenna-ENZ systems
Clerici M.;Faccio D.;
2021-01-01
Abstract
We demonstrate high efficiency in the generation of optical induced time-reversal phase conjugate and negative refraction waves, from a temporal modulated deeply subwavelength epsilon-near-zero (ENZ) film integrated within a plasmonic metasurface. The strong coupling between the plasmonic resonance and the ENZ modes leads to a conversion efficiency that is more than 4 orders of magnitude greater than the bare ENZ film.
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