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Journal of Nanophotonics

Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor
Author(s): Maria Antonietta Vincenti; Vincenzo Petruzzelli; Antonella D'Orazio; Francesco Prudenzano; Mark J. Bloemer; Neset Aközbek; Michael Scalora
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Paper 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.

Paper Details

Date Published: 1 October 2008
PDF: 12 pages
J. Nanophoton. 2(1) 021851 doi: 10.1117/1.3005971
Published in: Journal of Nanophotonics Volume 2, Issue 1
Show Author Affiliations
Maria Antonietta Vincenti, Politecnico di Bari (Italy)
Vincenzo Petruzzelli, Politecnico di Bari (Italy)
Antonella D'Orazio, Politecnico di Bari (Italy)
Francesco Prudenzano, Politecnico di Bari (Italy)
Mark J. Bloemer, U.S. Army Aviation and Missile Command (United States)
Neset Aközbek, Time Domain Corp. (United States)
Michael Scalora, U.S. Army Aviation and Missile Command (United States)

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