Karakas, A.Dag, T.Migalska-Zalas, A.Fillaut, Jean-LucSahraoui, B.2020-03-262020-03-262013978-1-4799-0683-32162-7339https://hdl.handle.net/20.500.12395/2936515th International Conference on Transparent Optical Networks (ICTON) -- JUN 23-27, 2013 -- Cartagena, SPAINTo investigate dispersion-free third-order nonlinear optical (NLO) behaviour of a series of ruthenium complexes, static dipole polarizabilities (alpha) and second hyperpolarizabilities (gamma) have been determined by time-dependent Hartree-Fock (TDHF) method. To provide an insight into the frequency-dependent third-order NLO phenomena of the title compounds, the dynamic dipole polarizabilities and second hyperpolarizabilities using TDHF procedure have been also computed at the wavelengths used in third-harmonic generation (THG) measurements. According to the computation results, the examined molecules exhibit second hyperpolarizabilities with non-zero values, implying microscopic third-order NLO behaviour. To compare our theoretical results on third-order NLO manner with corresponding experimental data, we also give the calculation results of the dynamic third-order susceptibilities (X-(3)) for the studied complexes.eninfo:eu-repo/semantics/closedAccessdipole polarizabilitysecond hyperpolarizabilitythird-order susceptibilitytime-dependent Hartree-Fockoptical Kerr effectConference ObjectN/AWOS:000333178300229N/A