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We have investigated the nonlinear optical response of thin films consisting of a poly(propyleneimine) dendrimer matrix having diaminobutane core with and without small 2.2nm diameter CdS quantum dots. Large nonlinear coefficients and low nonlinear absorption losses were observed at 532 and 1064nm. The high nonlinearity and low two-photon absorption yielded promising figures of merit for nonlinear optical switching applications.
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Etienne et al. (2005) studied this question.
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