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Journal of Nanophotonics

Compensation of surface plasmon loss by gain in dielectric medium
Author(s): Mikhail A. Noginov
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Paper Abstract

It has been experimentally shown that absorption loss in metal, which causes damping of localized surface plasmons (SPs) and propagating surface plasmon polaritons (SPPs), can be compensated by optical gain in dye-doped dielectric media adjacent to a metallic surface. In particular, (i) six-fold increase of Rayleigh scattering caused by an enhancement of SP resonance in aggregated metallic nanoparticles, (ii) significant elongation of the propagation length of SPPs by gain, and (iii) stimulated emission of SPPs has been demonstrated. The obtained results pave the road to many applications of nanoplasmonics and metamaterials.

Paper Details

Date Published: 1 December 2008
PDF: 17 pages
J. Nanophoton. 2(1) 021855 doi: 10.1117/1.3073670
Published in: Journal of Nanophotonics Volume 2, Issue 1
Show Author Affiliations
Mikhail A. Noginov, Norfolk State Univ. (United States)


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