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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper QThA3

Gap-dependent Nonlinear Optical Activity in Chiral Gold Nanodimers

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Abstract

T-shaped gold nanodimers with nanogaps are chiral when their horizontal and vertical bars have non-orthogonal orientations. The resulting optical activity in second-harmonic generation exhibits unexpected gap dependence, which is explained by local-field effects.

© 2008 Optical Society of America

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