High efficiency of second-harmonic generation of femtosecond pulses

Vyacheslav A. Trofimov; Tatiana M. Lysak

doi:10.1117/12.469589

3 June 2002 High efficiency of second-harmonic generation of femtosecond pulses

Vyacheslav A. Trofimov, Tatiana M. Lysak

Proceedings Volume 4706, Saratov Fall Meeting 2001: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling II; (2002) https://doi.org/10.1117/12.469589
Event: Saratov Fall Meeting 2001, 2001, Saratov, Russian Federation

Abstract

Problem of high-efficiency second harmonic generation (SHG) of femtosecond laser powerful pulses under the condition of laser radiation self-action (cubic non-linearity) is considered using both analytical and numerical methods. The process is described by non-linear Schrodinger equation regarding second order dispersion, phase mismatching and cubic non-linearity. Analytical investigation of the problem in case of long pulses, as well as the numerical simulation, shows a possibility of essential growth (up to 60%) of SHG generation efficiency. This result is due to introduced phase shifts between the interacting waves in a definite section of media. High-intensity and efficient SHG is described.

Citation Download Citation

Vyacheslav A. Trofimov and Tatiana M. Lysak "High efficiency of second-harmonic generation of femtosecond pulses", Proc. SPIE 4706, Saratov Fall Meeting 2001: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling II, (3 June 2002); https://doi.org/10.1117/12.469589

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