Nonlinear optical dynamics of glass-embedded silver nanoparticles

S. Lysenko, J. Jimenez, G. Zhang, H. Liu

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

The nonequilibrium carrier dynamics in Ag nanoparticles was explored by femtosecond optical pump-probe spectroscopy. Metal-dielectric nanocomposite materials containing Ag nanoparticles of different sizes were prepared by thermal treatment of aluminophosphate glasses. The ultrafast relaxation dynamics of the electron scattering on the 10-13-10-12 sec scale shows size- and pump power-dependent properties. The two-photon absorption process in nanoparticles of different sizes is discussed. The laser-induced coherent vibrations of nanoparticles were observed in transient transmission experiments.

Original languageEnglish (US)
Pages (from-to)1715-1721
Number of pages7
JournalJournal of Electronic Materials
Volume35
Issue number9
DOIs
StatePublished - Sep 2006
Externally publishedYes

Keywords

  • Aluminophosphate glass
  • Pump-probe spectroscopy
  • Silver nanoparticles (NPs)
  • Surface plasmon resonance

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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