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Third-order nonlinear circular dichroism in a liquid of chiral molecules

Abstract : We present the signature of optical activity in the third-order nonlinear response of a liquid of chiral molecules. The existence of a nonlinear circular dichroism is demonstrated on two enantiomers of ruthenium(II)tris(bipyridyl) by performing a one-beam experiment in which the polarization is modulated from right to left circular one. This technique is then extended to pump-probe experiments in which, by modulating the polarization of the probe or pump, we can measure a pump-induced circular dichroism on the probe. This technique opens up the possibility of observing dynamical processes related to the chirality on an ultrashort time-scale. © 2002 Elsevier Science B.V. All rights reserved.
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Contributor : Denis Roura Connect in order to contact the contributor
Submitted on : Wednesday, July 17, 2013 - 1:17:42 PM
Last modification on : Thursday, November 18, 2021 - 3:42:03 PM

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M. Alexandre, G. Lemercier, Chantal Andraud, H. Mesnil, Marie-Claire Schanne-Klein, et al.. Third-order nonlinear circular dichroism in a liquid of chiral molecules. Novel organic material and technological advances for photonics : proceedings of symposium of the 2001 E-RMS spring confrence, Jun 2001, Strasbourg, France. pp.135-138, ⟨10.1016/S0379-6779(01)00604-X⟩. ⟨hal-00845236⟩



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