4.1 Article

Compensation of surface plasmon loss by gain in dielectric medium

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JOURNAL OF NANOPHOTONICS
卷 2, 期 -, 页码 -

出版社

SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3073670

关键词

surface plasmons; surface plasmon polaritons; metamaterials

资金

  1. NSF PREM [DMR 0611430]
  2. NSF CREST [HRD 0317722]
  3. NSF NCN [EEC-0228390]
  4. NASA URC [NCC31035]

向作者/读者索取更多资源

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.

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