Towards nonlinear plasmonic devices based on metallic nanorods

P. R. Evans, Gregory Wurtz, W. Hendren, R. Atkinson, R. J. Pollard, Anatoly Zayats, Wayne Dickson

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The nonlinear optical properties of gold nanorod arrays have been studied with a two-colour continuosly working (CW) pump-probe spectroscopy. The hybridization of the nanorod arrays with a nonlinear polymer (poly-3BCMU) has been investigated for the purposes of active photonic component design. The sensitivity of the plasmonic resonances of the hybrid nanostructured system to pump-induced changes in the refractive index of the polymer surroundings has been used to control the optical extinction of the array. Both reversible and non-reversible behaviour has been observed reflecting the combined effects from the third-order nonlinear response of the hybrid metallo-dielectric system and post-photopolymerization triggered reactions in the polymer.

Original languageEnglish
Pages (from-to)415-420
Number of pages6
JournalJournal of Microscopy
Volume229
Issue number3
Publication statusPublished - Mar 2008

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