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Updated: Jul 7, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
Published on: July 8, 2013
Fresnel formulas for the forced electromagnetic pulses and their application for optical-to-terahertz conversion in
M I Bakunov1, A V Maslov, S B Bodrov
1Department of Radiophysics, University of Nizhny Novgorod, Nizhny Novgorod 603950, Russia.
Abstract:
We show that the usual Fresnel formulas for a free-propagating pulse are not applicable for a forced terahertz electromagnetic pulse supported by an optical pulse at the end of a nonlinear crystal. The correct linear reflection and transmission coefficients that we derive show that such pulses can experience a gain or loss at the boundary. This energy change depends on linear dielectric constants only. We also predict a regime where a complete disappearance of the forced pulse under oblique incidence occurs, an effect that has no counterpart for free-propagating pulses.
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