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Updated: Jul 14, 2026

Patterning via Optical Saturable Transitions - Fabrication and Characterization
Published on: December 11, 2014
Enhanced transmission and reflection of few-cycle pulses by a single slit
M Mechler1, O Samek, S V Kukhlevsky
1South-Trans-Danubian Cooperative Research Centre, University of Pécs, Ifjúság u. 6., 7624 Pécs, Hungary.
Abstract:
We show that a physical mechanism responsible for the enhanced transmission and reflection of ultrashort (few-cycle) pulses by a single subwavelength slit in a thick metallic film is the Fabry-Perot-like resonant excitation of stationary, quasistationary, and nonstationary waves inside the slit, which leads to the field enhancement inside and around the slit. The mechanism is universal for any pulse-scatter system, which supports the stationary resonances. We point out that there is a pulse duration limit below which the slit does not support the intraslit resonance.
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