Femtosecond relaxation dynamics of surface plasmon-polaritons in the vicinity of fano-type resonance
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- Vabishchevich, P.P., Bessonov, V.O., Sychev, F.Y. et al. Jetp Lett. (2010) 92: 575. doi:10.1134/S0021364010210022
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Temporal modification of femtosecond laser pulses reflected from planar periodic metal nanostructures with resonant excitation of surface plasmon-polaritons is experimentally studied. Spectral time-resolved measurements of the second-order cross-correlation function performed with the pulse duration comparable with the surface plasmon-polariton relaxation time (about 100 fs) show the strong spectral dependence of the envelope of the reflected femtosecond pulse described by Fano-resonance parameters.