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Here we present the measurements of the second harmonic generation (SHG) signal raised by self ordered dielectric nanospheres partially covered by thin (10nm) Au layer. The measurement were performed by studying the SHG efficiency in different polarization states of the light. In particular measurement performed with circular polarized light show the presence of chiral response of the nanospheres that is induced by the particular geometry of the metasurface.
International Society for Optics and Photonics
Publication date: 
8 May 2013

A Belardini, A Benedetti, M Centini, G Leahu, F Mura, S Sennato, E Fazio, C Sibilia, V Robbiano, MC Giordano, C Martella, Da Comoretto, F Buatier de Mongeot

Biblio References: 
Volume: 8772 Pages: 877203
Nonlinear Optics and Applications VII