Observation of resonant interference of nonlinear optical susceptibilities of molecules in a solution
Bunkin A.F., Ivanov S.G., Koroteev N.I.
We consider a resonant modification of the method of coherent active Raman-scattering spectroscopy (ARSS), when the Raman and single-photon electron resonances are localized on different molecules of the solution. A coherent "subtraction" of the nondispersive pedestal is observed in the spectrum of the coherently scattered light. The complex value of the resonant nonlinear susceptibility of the rhodamine-6G molecules has been measured.
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![](/ps/1815/article_27749_800_head.png "We consider a resonant modification of the method of coherent active Raman-scattering spectroscopy (ARSS), when the Raman and single-photon electron resonances are localized on different molecules of the solution. A coherent "subtraction" of the nondispersive pedestal is observed in the spectrum of the coherently scattered light. The complex value of the resonant nonlinear susceptibility of the rhodamine-6G molecules has been measured.")