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Proceedings Paper

Analysis of THG modes for femtosecond laser pulse
Author(s): Vyacheslav A. Trofimov; Pavel S. Sidorov
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Paper Abstract

THG is used nowadays in many practical applications such as a substance diagnostics, and biological objects imaging, and etс. With developing of new materials and technology (for example, photonic crystal) an attention to THG process analysis grow. Therefore, THG features understanding are a modern problem. Early we have developed new analytical approach based on using the problem invariant for analytical solution construction of the THG process. It should be stressed that we did not use a basic wave non-depletion approximation. Nevertheless, a long pulse duration approximation and plane wave approximation has applied. The analytical solution demonstrates, in particular, an optical bistability property (and may other regimes of frequency tripling) for the third harmonic generation process. But, obviously, this approach does not reflect an influence of a medium dispersion on the frequency tripling. Therefore, in this paper we analyze THG efficiency of a femtosecond laser pulse taking into account a second order dispersion affect as well as self- and crossmodulation of the interacting waves affect on the frequency conversion process. Analysis is made using a computer simulation on the base of Schrödinger equations describing the process under consideration.

Paper Details

Date Published: 16 May 2017
PDF: 12 pages
Proc. SPIE 10228, Nonlinear Optics and Applications X, 102280B (16 May 2017); doi: 10.1117/12.2267499
Show Author Affiliations
Vyacheslav A. Trofimov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
Pavel S. Sidorov, M.V. Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10228:
Nonlinear Optics and Applications X
Mario Bertolotti; Joseph W. Haus; Alexei M. Zheltikov, Editor(s)

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