Measurement of the circular dichroism in the second harmonic optical signal produced by Au covered self ordered dielectric nanospheres

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

doi:10.1117/12.2017533

8 May 2013 Measurement of the circular dichroism in the second harmonic optical signal produced by Au covered self ordered dielectric nanospheres

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

Author Affiliations +

Proceedings Volume 8772, Nonlinear Optics and Applications VII; 877203 (2013) https://doi.org/10.1117/12.2017533
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

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.

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A. Belardini, A. Benedetti, M. Centini, G. Leahu, F. Mura, S. Sennato, E. Fazio, C. Sibilia, V. Robbiano, M. C. Giordano, C. Martella, Da. Comoretto, and F. Buatier de Mongeot "Measurement of the circular dichroism in the second harmonic optical signal produced by Au covered self ordered dielectric nanospheres", Proc. SPIE 8772, Nonlinear Optics and Applications VII, 877203 (8 May 2013); https://doi.org/10.1117/12.2017533

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