21 April 2016 Modulation of extraordinary optical transmission through nanohole arrays using ultrashort laser pulses
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Abstract
We use three dimensional finite-difference-time-domain simulations to study the dynamics of extraordinary optical transmission through arrays of nanoholes in 200 nm-thick Au films on silicon nitride substrates. By diving the light source into two identical 5 femtosecond pulses and tuning the relative delay between them, we are able to modulate both the intensity and spectra of the transmitted light on ultrashort time scales. Simulations demonstrate that the intensity and distribution of the electric fields on the surface of the film and within the nanoholes are altered by changing the pulse delay.
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Kellie Pearce, Kellie Pearce, Robin Dehde, Robin Dehde, Anika Spreen, Anika Spreen, Christian Späth, Christian Späth, Maximilian Wendl, Maximilian Wendl, Jürgen Schmidt, Jürgen Schmidt, Ulf Kleineberg, Ulf Kleineberg, } "Modulation of extraordinary optical transmission through nanohole arrays using ultrashort laser pulses", Proc. SPIE 9884, Nanophotonics VI, 98843H (21 April 2016); doi: 10.1117/12.2228010; https://doi.org/10.1117/12.2228010
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