Multipolar tensor analysis of second-harmonic radiation from gold nanoparticles

Sami Kujala; Brian K. Canfield; Martti Kauranen; Yuri Svirko; Jari Turunen

doi:10.1117/12.794628

26 August 2008 Multipolar tensor analysis of second-harmonic radiation from gold nanoparticles

Sami Kujala, Brian K. Canfield, Martti Kauranen, Yuri Svirko, Jari Turunen

Proceedings Volume 7032, Plasmonics: Metallic Nanostructures and Their Optical Properties VI; 70321Y (2008) https://doi.org/10.1117/12.794628
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

We present a comprehensive multipolar tensor analysis to investigate the roles of dipolar and higher-order multipoles to second-harmonic radiation from a regular array of noncentrosymmetric L-shaped gold nanoparticles. We find the nonlinear response to be dominated by a tensor component which is associated with chiral symmetry breaking and has strong multipolar character. These findings substantiate our interpretation that one of the major contributors to the optical response of the present sample are structural defects, which break the symmetry and make multipolar contributions to the SH response important.

Citation Download Citation

Sami Kujala, Brian K. Canfield, Martti Kauranen, Yuri Svirko, and Jari Turunen "Multipolar tensor analysis of second-harmonic radiation from gold nanoparticles", Proc. SPIE 7032, Plasmonics: Metallic Nanostructures and Their Optical Properties VI, 70321Y (26 August 2008); https://doi.org/10.1117/12.794628

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