Abstract
Here we report on the ultrafast modulation of propagating fs SPP signal via direct optical excitation of the metal component of an aluminium/silica waveguide and investigate spectral dependence of the effect and its kinetics. We also analyse numerically the nonlinear SPP pulse propagation regimes, including self-focusing, pulse compression and solitons, supported by the nonlinearity of the metal component of the waveguide.
© 2009 IEEE
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