Wave scattering by metal-dielectric multilayer structures with gain
R. S. Savelev, I. V. Shadrivov, and Yu. S. Kivshar,
JETP Lett. 100, 831-836 (2014).
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Abstract: We study wave scattering by multi-layer metal-dielectric structures of a finite extent characterized by a hyperbolic-like dispersion. We find the regimes of wave propagation when substantial compensation of losses becomes possible with the use of a gain medium with realistic parameters. We discuss the Purcell effect in these structures and its possible implications on the performance of the loss compensation.
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