title: Optical second harmonic generation of single metallic nanoparticles embedded in a homogeneous medium.
abstract: We report the optical second harmonic generation from individual 150 nm diameter gold nanoparticles dispersed in gelatin. The quadratic hyperpolarizability of the particles is determined and the input polarization dependence of the second harmonic intensity obtained. These results are found in excellent agreement with ensemble measurements and finite element simulations. These results open up new perspectives for the investigation of the nonlinear optical properties of noble metal nanoparticles.
authors.affiliation: Laboratoire de Spectrométrie Ionique et Moléculaire, Université Claude Bernard Lyon 1 - CNRS, UMR 5579, 43 Boulevard du 11 Novembre 1918, Villleurbanne, France.
authors.forename: Jérémy
authors.initials: J
authors.lastname: Butet
authors.forename: Julien
authors.initials: J
authors.lastname: Duboisset
authors.forename: Guillaume
authors.initials: G
authors.lastname: Bachelier
authors.forename: Isabelle
authors.initials: I
authors.lastname: Russier-Antoine
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Benichou
authors.forename: Christian
authors.initials: C
authors.lastname: Jonin
authors.forename: Pierre-François
authors.initials: PF
authors.lastname: Brevet
mesh_terms: D003102:Colloids / Q000737:chemistry; D003198:Computer Simulation; D005780:Gelatin / Q000737:chemistry*; D006046:Gold / Q000737:chemistry*; D008027:Light; D008422:Materials Testing; D008956:Models, Chemical; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D010316:Particle Size; D012031:Refractometry; D012542:Scattering, Radiation
chemical_list: D003102:Colloids; D006046:Gold; D005780:Gelatin