Special Section on Nanophotonics in Europe

Compensation of surface plasmon loss by gain in dielectric medium

[+] Author Affiliations
Mikhail A. Noginov

Center for Materials Research, Norfolk State University, 700 Park Ave., Norfolk, VA 23504

J. Nanophoton. 2(1), 021855 (December 31, 2008). doi:10.1117/1.3073670
History: Received November 18, 2008; Revised December 30, 2008; Accepted December 31, 2008; December 31, 2008; Online December 31, 2008
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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.

© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Mikhail A. Noginov
"Compensation of surface plasmon loss by gain in dielectric medium", J. Nanophoton. 2(1), 021855 (December 31, 2008). ; http://dx.doi.org/10.1117/1.3073670


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