Study of the optical susceptibilities of a two-level molecular system in four-wave-mixing-spectroscopy: local regime

J. L. Paz; M. Gorayeb; A. J. Hernandez

doi:10.1117/12.590736

21 October 2004 Study of the optical susceptibilities of a two-level molecular system in four-wave-mixing spectroscopy: local regime

J. L. Paz, M. Gorayeb, A. J. Hernandez

Author Affiliations +

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.590736
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

It was studied the solvent influence over a two level system in the four wave mixing spectroscopy. the solvente effect was incorporated to the model in a stochastic form, through the broadening of the upper molecular level. Two intense waves of the same frequency, ω₁, and another wave with minor intensity and ω₂ frequency, were considered coupled to the nonlinear system, generating a new signal whose frequency is ω₃, and where the wave-vectors follow the relation vector k₁ + vector k₁ = vector k₂ + vector k₃. Using the dipolar-electric and the rotating wave approximations, it was calculated the average of the coherence at the ω₁, ω₂ and ω₃ frequencies. From that results, analytical expressions to the susceptibilities at the studied frequencies were obtained. Linear, coherent and coupled processes were identified.

Citation Download Citation

J. L. Paz, M. Gorayeb, and A. J. Hernandez "Study of the optical susceptibilities of a two-level molecular system in four-wave-mixing spectroscopy: local regime", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.590736

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