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, T. Verbiest

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167 Citations (SciVal)


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.

Original languageEnglish
Article number127401
JournalPhysical Review Letters
Issue number12
Publication statusPublished - 26 Mar 2010


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