Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor

Maria Antonietta Vincenti; Vincenzo Petruzzelli; Antonella D'Orazio; Francesco Prudenzano; Mark J. Bloemer; Neset Aközbek; Michael Scalora

doi:10.1117/1.3005971

1 October 2008 Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor

Maria Antonietta Vincenti, Vincenzo Petruzzelli, Antonella D'Orazio, Francesco Prudenzano, Mark J. Bloemer, Neset Aközbek, Michael Scalora

Author Affiliations +

Journal of Nanophotonics, Vol. 2, Issue 1, 021851 (October 2008). https://doi.org/10.1117/1.3005971

Abstract

We conducted a theoretical investigation of second harmonic generation and other nonlinear features that result from the magnetic Lorentz force, when a single aperture is cut on a thick, opaque palladium substrate. We studied the dependences of linear pump transmission and second harmonic generation near resonance conditions, and explored the different physical mechanisms and their dependences, for example, geometrical features. We found that it is possible to exploit field localization and surface plasmon generation to enhance second harmonic generation in the regime of extraordinary transmittance of the pump field. Both transmitted and backward second harmonic generation conversion efficiencies were investigated. The results reveal that it may be possible to access several potential new applications. In particular, we demonstrated that the exploitation of a combination of nonlinear effects and enhanced transmission makes possible a palladium-based device suitable for H₂-leak-detection.

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Maria Antonietta Vincenti, Vincenzo Petruzzelli, Antonella D'Orazio, Francesco Prudenzano, Mark J. Bloemer, Neset Aközbek, and Michael Scalora "Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor," Journal of Nanophotonics 2(1), 021851 (1 October 2008). https://doi.org/10.1117/1.3005971

Published: 1 October 2008

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