Plasmonic Gratings For Enhanced Thz Emission From Metal-Semiconductor Thin Films

Gopika K. P. Ramanandan,Aurele J. L. Adam,Paul C. M. Planken

Infrared, Millimeter, and Terahertz Waves（2013）

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摘要

THz emission from thin film Schottky junctions is enhanced using plasmonic nano-gratings. Enhancement factors of up to 5.6 are observed in the emitted electric field, corresponding to a power enhancement factor of similar to 34.

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关键词

schottky barriers,diffraction gratings,metallic thin films,microwave photonics,nanophotonics,plasmonics,semiconductor thin films,terahertz wave spectra,thz emission,electric field,metal-semiconductor thin films,plasmonic nanogratings,power enhancement factor,thin film schottky junctions

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