Pérez-Moreno Javier, Zhao Yuxia, Clays Koen, Kuzyk Mark G
Department of Chemistry, University of Leuven, Celestijnenlaan, Leuven, Belgium.
Opt Lett. 2007 Jan 1;32(1):59-61. doi: 10.1364/ol.32.000059.
We report on a series of chromophores that have been synthesized with a modulated conjugation path between donor and acceptor. Hyper-Rayleigh scattering measurements of the best molecule show an enhanced intrinsic hyperpolarizability that breaches the apparent limit of all previously studied molecules.