Asymmetric Optical Second-Harmonic Generation from Chiral G-Shaped Gold Nanostructures

V. K. Valev, A. V. Silhanek, N. Verellen, W. Gillijns, P. Van Dorpe, O. A. Aktsipetrov, G. A. E. Vandenbosch, V. V. Moshchalkov, and T. Verbiest
Phys. Rev. Lett. 104, 127401 – Published 26 March 2010

Abstract

We present a new electromagnetic phenomenon—the asymmetric second-harmonic generation from planar chiral structures. The effect consists in distinguishing the handedness of a chiral material by rotating the sample in an experiment involving solely linearly polarized light. This phenomenon originates in the surface plasmon resonance of chiral gold nanostructures, where homodyne interference of anisotropic and chiral electric and/or magnetic multipoles appears to play an important role.

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  • Received 4 June 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.127401

©2010 American Physical Society

Authors & Affiliations

V. K. Valev1,*, A. V. Silhanek2, N. Verellen2,3,5, W. Gillijns2, P. Van Dorpe3, O. A. Aktsipetrov4, G. A. E. Vandenbosch5, V. V. Moshchalkov2, and T. Verbiest1

  • 1Molecular Electronics and Photonics, INPAC, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
  • 2Nanoscale Superconductivity and Magnetism & Pulsed Fields Group, INPAC, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
  • 3IMEC, Kapeldreef 75, 3001 Leuven, Belgium
  • 4Department of Physics, Moscow State University, 11992 Moscow, Russia
  • 5ESAT-TELEMIC, K. U. Leuven, B-3001 Leuven, Belgium

  • *Corresponding author. v.k.valev@fys.kuleuven.be www.valev.org

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Issue

Vol. 104, Iss. 12 — 26 March 2010

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