9 February 1987 Grating Enhanced Second Harmonic Generation Through Electromagnetic Resonances
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Abstract
This communication is concerned with surface enhanced second harmonic generation through delocalized electromagnetic resonances such as surface plasmons or guided waves at bare or coated metallic gratings. The formalisms presented here are rigorous in the sense that the groove depth of the grating is not considered as a perturbative parameter.This allows us to show that there exists an optimum groove depth of the grating for which the enhancement of the second harmonic efficiency as5compared to the flat case is the greatest : shallow modulated gratings (10%) lead to optimum enhancement as high as 105.
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R. Reinisch, M. Neviere, H. Akhouayria, J-L. Coutaz, D. Maystre, "Grating Enhanced Second Harmonic Generation Through Electromagnetic Resonances", Proc. SPIE 0815, Application and Theory of Periodic Structures, Diffraction Gratings, and Moire Phenomena III, (9 February 1987); doi: 10.1117/12.941730; https://doi.org/10.1117/12.941730
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