Multipolar analysis of second-harmonic radiation from gold nanoparticles.

@article{Kujala2008MultipolarAO,
  title={Multipolar analysis of second-harmonic radiation from gold nanoparticles.},
  author={Sami Kujala and Brian K. Canfield and Martti Kauranen and Yuri P. Svirko and Jari Turunen},
  journal={Optics express},
  year={2008},
  volume={16 22},
  pages={17196-208}
}
We present a multipolar tensor analysis of second-harmonic radiation from arrays of noncentrosymmetric L-shaped gold nanoparticles. Our approach is based on the fundamental differences in the radiative properties of electric dipoles and higher multipoles, which give rise to differences in the nonlinear response tensors for the reflected and transmitted second-harmonic signals. The results are analyzed by dividing the tensors into symmetric (dipolar) and antisymmetric (higher multipolar) parts… CONTINUE READING

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