Spontaneous emission enhancement in metal–dielectric metamaterials

We study the spontaneous emission of a dipole emitter imbedded into a layered metal–dielectric metamaterial. We demonstrate ultra-high values of the Purcell factor in such structures due to a high density of states with hyperbolic isofrequency surfaces. We reveal that the traditional effective-mediu...

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Veröffentlicht in:	Physics letters. A 2012-01, Vol.376 (3), p.185-187
Hauptverfasser:	Iorsh, Ivan, Poddubny, Alexander, Orlov, Alexey, Belov, Pavel, Kivshar, Yuri S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic structure Dipoles Emittance Mathematical analysis Mathematical models Metal–dielectric nanostructures Metamaterials Purcell factor Solid state physics Spontaneous emission
Online-Zugang:	Volltext
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