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Proceedings Paper

Design, synthesis, and characterization of a novel class of tunable chromophores for second- and third-order NLO applications
Author(s): Andre-Jean Attias; Nicolas Leclerc; Qiying Chen; Edward H. Sargent; Guillaume Schull; Fabrice Charra
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Paper Abstract

We describe a general approach for the synthesis of 6,6'-(disubstituted)-3,3'-bipyridine based chromophores. This combinatorial type strategy is based on (i) the synthesis of a library of conjugated building blocks end-capped with electron donor or acceptor groups, and (ii) their homo- or cross-coupling. The compounds are either dipolar (push-pull molecules) or apolar (symmetric D-A-A-D) molecules. Depending on the building blocks, we are able to tune both the structural and NLO properties of the chromophores. For example, the D-A-A-D structure possesses ultrafast nonresonant nonlinearity around 1550 nm with excellent figures of merit, as well as TPA in the visible and NIR ranges.

Paper Details

Date Published: 15 October 2004
PDF: 11 pages
Proc. SPIE 5516, Nonlinear Optical Transmission and Multiphoton Processes in Organics II, (15 October 2004); doi: 10.1117/12.563825
Show Author Affiliations
Andre-Jean Attias, CNRS, Univ. Paris VI (France)
Nicolas Leclerc, CNRS, Univ. Paris VI (France)
Qiying Chen, Univ. of Toronto (Canada)
Edward H. Sargent, Univ. of Toronto (Canada)
Guillaume Schull, CEA Saclay (France)
Fabrice Charra, CEA Saclay (France)

Published in SPIE Proceedings Vol. 5516:
Nonlinear Optical Transmission and Multiphoton Processes in Organics II
A. Todd Yeates, Editor(s)

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