Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber.
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DOI: 10.1364/ol.489887
Abstract: Nonlinear plasmonic metasurfaces were demonstrated recently as ultracompact tetrahertz (THz) sources, emitting relatively strong single-cycle THz pulses after femtosecond laser illumination. There has been great progress in their ability to generate controlled THz wavepackets; however,… read more here.
Keywords: nonlinear metasurfaces; thz emission; emission; perfect absorber ... See more keywords