AI Article Synopsis
- The paper explores a unique electromagnetic mode that exists in a thin dielectric film placed on a metallic layer, specifically at a frequency where the dielectric permittivity is zero.
- It highlights the extraordinary characteristics of this mode, particularly its ability for extreme subwavelength confinement and potential applications in technology.
- The discussion includes connections to similar phenomena like the Berreman effect and the surface phonon polariton mode, as well as its relevance to polarization shifts in quantum wells.
Article 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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| http://dx.doi.org/10.1364/OE.20.023971 | DOI Listing |
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