Large and ultrafast nonlinear absorption of an air/gold plasmonic waveguide


We investigate theoretically and experimentally the nonlinear propagation of surface plasmons on an air/gold interface which reveals large and ultrafast (∼100 fs) self-induced absorption. The experiment enables a direct measurement of the third-order nonlinear susceptibility.

Publication Title

Conference on Lasers and Electro-Optics Europe - Technical Digest

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