We measure third-order optical nonlinearities of plasmons in single chemically-synthesized gold nanorods using a novel interferometric scattering technique. We observe ultrafast, coherent material nonlinearities that are enhanced by localization of light in the rods.
© 2005 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.3970) Nonlinear optics : Microparticle nonlinear optics
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
M. Pelton, M. Liu, S. Park, N. Scherer, and P. Guyot-Sionnest, "Optical Nonlinearities of Plasmons in Single Gold Nanorods," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper QMH4.
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