Wavelength dependence of nonlinear circular dichroism in a chiral ruthenium-tris(bipyridyl) solution

Abstract : Nonlinear circular dichroism is studied in a solution of ruthenium-tris(bipyridyl) salt in one-beam and pump-probe experiments by tuning the laser wavelength across the circular dichroism structure. The dispersion of the nonlinear circular dichroism is measured. This wavelength dependence is well accounted for by a model calculation where nonlocality is included in the optical response of a two-coupled-oscillator system. This calculation also allows us to address the question of the contribution of electric quadrupolarization to the nonlinear optical activity of an isotropic liquid of chiral molecules. © 2002 The American Physical Society
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H. Mesnil, Marie-Claire Schanne-Klein, François Hache, M. Alexandre, G. Lemercier, et al.. Wavelength dependence of nonlinear circular dichroism in a chiral ruthenium-tris(bipyridyl) solution. Physical Review A, American Physical Society, 2002, 66 (1), pp.138021. ⟨10.1103/PhysRevA.66.013802⟩. ⟨hal-00837032⟩

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