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  • Title: Berreman mode and epsilon near zero mode.
    Author: Vassant S, Hugonin JP, Marquier F, Greffet JJ.
    Journal: Opt Express; 2012 Oct 08; 20(21):23971-7. PubMed ID: 23188363.
    Abstract:
    In this paper, we discuss the existence of an electromagnetic mode propagating in a thin dielectric film deposited on a metallic film at the particular frequency such that the dielectric permittivity vanishes. We discuss the remarkable properties of this mode in terms of extreme subwavelength mode confinment and its potential applications. We also discuss the link between this mode, the IR absorption peak on a thin dielectric film known as Berreman effect and the surface phonon polariton mode at the air/dielectric interface. Finally, we establish a connection with the polarization shift occuring in quantum wells.
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