Surface plasmon polariton induced optical amplitude and phase modulation in sub-wavelength apertures Arash Joushaghani,∗ Bo Hou, J. Stewart Aitchison, and Joyce K. S. Poon Department of Electrical and Computer Engineering and Institute for Optical Sciences, University of Toronto, 10 King’s College Road, Toronto, Ontario, M5S 3G4, Canada ∗
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Abstract: We report on the amplitude and phase modulation of picosecond optical pulses, near λ = 800 nm, transmitted through sub-wavelength rectangular apertures in thin gold films with thicknesses of λ /10 at per-pulse energies of
