We use two-beam second-harmonic generation to separate the surface and bulk contributions to the nonlinearity of gold for different metal-dielectric interfaces. One of the surface parameters is shown to arise predominantly from the bulk response.
© 2009 OSA
M. Kauranen, F. X. Wang, F. J. Rodriguez, W. M. Albers, R. Ahorinta, and J. E. Sipe, "Second-Order Nonlinear Optical Response of Gold," in Advances in Optical Sciences Congress, OSA Technical Digest (CD) (Optical Society of America, 2009), paper NME3.
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