Various regimes of summary frequency wave generation of femtosecond pulse in medium with quadratic and cubic nonlinearities

Vyacheslav A. Trofimov; Tatiana M. Lysak; Vladislav V. Trofimov

doi:10.1117/12.578916

13 July 2004 Various regimes of summary frequency wave generation of femtosecond pulse in medium with quadratic and cubic nonlinearities

Vyacheslav A. Trofimov, Tatiana M. Lysak, Vladislav V. Trofimov

Author Affiliations +

Proceedings Volume 5476, Saratov Fall Meeting 2003: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling IV; (2004) https://doi.org/10.1117/12.578916
Event: Saratov Fall Meeting 2003, 2003, Saratov, Russian Federation

Abstract

Generation of femtosecond pulse of summary frequency is analyzed by both analytical and numerical methods under the simultaneous action of cubic and quadratic nonlinear responses of optical fiber. Using propagation invariants, this problem can be solved analytically in the framework of long-pulse approximation. Analytical solution was obtained and analyzed parametrically for the special choice of initial amplitudes of two basic waves, which allows full conversion of energy of interacting waves into the energy of the summary frequency wave (SFW) for the case of small self-action. Existence of various regimes of SFW generation as well as possibility for sufficient increase of conversion efficiency by the proper choice of initial amplitudes of two basic waves are shown and confirmed by computer simulation.

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Vyacheslav A. Trofimov, Tatiana M. Lysak, and Vladislav V. Trofimov "Various regimes of summary frequency wave generation of femtosecond pulse in medium with quadratic and cubic nonlinearities", Proc. SPIE 5476, Saratov Fall Meeting 2003: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling IV, (13 July 2004); https://doi.org/10.1117/12.578916

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