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Proceedings Paper

Metal nanocluster formation in thin films and ion-exchanged waveguides for nonlinear optical application
Author(s): Giancarlo Battaglin; R. Polloni; Giovanna De Marchi; Frederico Caccavale; Francesco Gonella; G. Mattei; Paolo Mazzoldi; Alberto Quaranta; F. Spizzo; G. De; Richard F. Haglund Jr.
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Paper Abstract

Much attention has been dedicated in the recent years to the study of suitable methodologies for preparing nonlinear optical composites, with the aim of designing all-optical switches for optoelectronics applications. The nonlinear response of glasses may be enhanced by several orders of magnitude by introducing metal nanoclusters in the glass matrix. Metal nanoclusters have been formed in light waveguides, obtained by Ag+- or Cu+-Na+ exchange process in glass, by either irradiating with low-mass ion beams or by heating in hydrogen atmosphere at temperatures varying in the range 100-250°C. Metal nanocluster-silica composites have been also obtained by the sol-gel technique. Nanocluster modifications induced by pulsed laser irradiation have been investigated and annealing behavior of nanoclusters synthesized by the sol-gel process has been studied. Composites were characterized by Secondary Ion Mass Spectrometry and Rutherford Backscattering Spectrometry, in order to determine concentration depth-profiles and by Transmission Electron Microscopy for the nanocluster detection and size evaluation. Optical analyses were performed to evidence linear and nonlinear properties.

Paper Details

Date Published: 2 January 1998
PDF: 6 pages
Proc. SPIE 3211, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, (2 January 1998);
Show Author Affiliations
Giancarlo Battaglin, Unita INFM (Italy)
R. Polloni, Unita INFM (Italy)
Giovanna De Marchi, Unita INFM (Italy)
Frederico Caccavale, Unita INFM (Italy)
Francesco Gonella, Unita INFM (Italy)
G. Mattei, Unita INFM (Italy)
Paolo Mazzoldi, Unita INFM (Italy)
Alberto Quaranta, Unita INFM (Italy)
F. Spizzo, Unita INFM (Italy)
G. De, Sol-Gel Laboratory (India)
Richard F. Haglund Jr., Vanderbilt Univ. (United States)

Published in SPIE Proceedings Vol. 3211:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96
J. P. Raina; P. R. Vaya, Editor(s)

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