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Proceedings Paper

Record-high intrinsic hyperpolarizabilities for polymeric electro-optic modulators
Author(s): Javier Pérez-Moreno; Inge Asselberghs; Yuxia Zhao; Kai Song; Hachiro Nakanishi; Shuji Okada; Kyoko Nogi; Oh-Kil Kim; Jongtae Je; Janka Mátrai; Marc De Maeyer; Mark G. Kuzyk; Koen Clays
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Paper Abstract

The results of three independently strategies for the optimizations of electro-optic organic chromophores is presented. The first strategy to enhance the nonlinear optical response, applied at the molecular level, is the extension of the conjugation path in a ionic chromophore. The second strategy, applied at the supramolecular level, is the bottom-up nano-engineering of an inclusion complex of the ionic chromophore in an amylose helix. The third strategy, also applied a the molecular level, is to use a modulated conjugation path between donor and acceptor in order to localize eigenfunctions on different parts of the molecule. The first hyperpolarizability of the different series of compounds has been experimentally determined by frequency-resolved femtosecond hyper-Rayleigh scattering. The effects of the three different enhancement strategies are analyzed and interepreted in terms of the quantum limits.

Paper Details

Date Published: 26 September 2007
PDF: 14 pages
Proc. SPIE 6713, Nanophotonics and Macrophotonics for Space Environments, 671303 (26 September 2007); doi: 10.1117/12.731349
Show Author Affiliations
Javier Pérez-Moreno, Univ. of Leuven (Belgium)
Inge Asselberghs, Univ. of Leuven (Belgium)
Yuxia Zhao, Univ. of Leuven (Belgium)
Kai Song, Univ. of Leuven (Belgium)
Hachiro Nakanishi, Tohoku Univ. (Japan)
Shuji Okada, Tohoku Univ. (Japan)
Kyoko Nogi, Tohoku Univ. (Japan)
Oh-Kil Kim, Naval Research Labs. (United States)
Jongtae Je, Sun Fine Chemicals Co. Ltd. (South Korea)
Janka Mátrai, Univ. of Leuven (Belgium)
Marc De Maeyer, Univ. of Leuven (Belgium)
Mark G. Kuzyk, Washington State Univ. (United States)
Koen Clays, Univ. of Leuven (Belgium)

Published in SPIE Proceedings Vol. 6713:
Nanophotonics and Macrophotonics for Space Environments
Edward W. Taylor; David A. Cardimona, Editor(s)

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