Nonlinear optical response from single spheres coated by a nonlinear monolayer

Xavier Vidal, Andrey Fedyanin, Alberto Molinos-Gómez, Satish Rao, Jordi Martorell, Dmitri Petrov*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We detected the second-order nonlinear response from single isolated spheres comprised from a centrosymmetric material but covered by a layer of a material with strong second-order nonlinear properties and isolated from an ensemble by the optical trapping technique. We show that when large size parameter spheres are used, the measured second-harmonic efficiency deviates strongly from the prediction of the nonlinear Rayleigh scattering theory. Our results are in very good agreement with the predictions from the exact nonlinear Mie scattering theory.

Original languageEnglish
Pages (from-to)699-701
Number of pages3
JournalOptics Letters
Issue number7
Publication statusPublished - 1 Apr 2008
Externally publishedYes


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