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Bozec, Hubert Le
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article
Optically tunable nonlinearities in polymers based on photoisomerizable metal-based coordination complexes
Abstract
The bottom-up design of polymer films exhibiting quadratic nonlinear optical properties that can be tuned optically and chemically is described. The polymer matrices are doped with metal-containing chromophores built around a Zn-II core and photoisomerizable ligands with two different geometries. These molecules possess specifically designed photophysical and nonlinear optical properties to be used towards all-optical poling, an interference process between one- and two-photon excitations that locally induces macroscopic second-order effects in polymer films. It is shown that grafting the molecules onto the polymer chains improves the stability of the macroscopic photoinduced nonlinearity in the films.