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Proceedings Paper

The nonlinear optical response of transparent silver/gold multi-metal layers
Author(s): Canek Fuentes-Hernandez; Daniel Owens; James Hsu; Alfred R. Ernst; Joel M. Hales; Joseph W. Perry; Bernard Kippelen
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Paper Abstract

We report on the linear and nonlinear optical properties of Ag/Au multi-metal thin films and Fabry-Perot resonator cavities. The linear optical properties of these multi-metal layers, having different mass distributions and Ag/Au ratios with thicknesses around 15 nm, resemble those of electrically continuous metal layers. The optical losses introduced by interband transitions in the Au layers are reduced to achieve peak transmittances of 76 % around 550 nm. Using femtosecond-pulsed white-light continuum pump-probe experiments we show that the nonlinear optical response of such multi-metal layers is comparable to that of neat Au thin films. Low-finesse Fabry-Perot resonators fabricated with such multi-metal layers, combine the large NLO response of Au with a transmittance of 60% and a spectral bandwidth that covers the visible spectral range.

Paper Details

Date Published: 10 September 2010
PDF: 7 pages
Proc. SPIE 7756, Active Photonic Materials III, 77560G (10 September 2010); doi: 10.1117/12.860638
Show Author Affiliations
Canek Fuentes-Hernandez, Georgia Institute of Technology (United States)
Daniel Owens, Georgia Institute of Technology (United States)
James Hsu, Georgia Institute of Technology (United States)
Alfred R. Ernst, Georgia Institute of Technology (United States)
Joel M. Hales, Georgia Institute of Technology (United States)
Joseph W. Perry, Georgia Institute of Technology (United States)
Bernard Kippelen, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 7756:
Active Photonic Materials III
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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