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Incident femtosecond pulse chirp influence on nonlinear localization of laser energy in layered photonic crystal
Author(s): Vyacheslav A. Trofimov; Tatiana M. Lysak; Evgenii M. Trykin
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Paper Abstract

We investigate laser energy localization in a layered photonic crystal with Kerr nonlinear response in dependence of the wave front aberrations of an incident femtosecond laser beam (which are similar to the pulse chirp). Such kind of energy localization appears due to soliton formation in certain layers of photonic crystal. Layers position, in which a soliton appear, depend on the beam wave front aberrations and the incident beam intensity essentially. It is important to emphasize that a soliton occurs in separate layers. Therefore, its width must be less than a layer thickness. Consequently, an intensity of the incident beam must be greater than its crucial value. A process of energy localization strongly depends on relation between the wave packet carrier frequency and a frequency characterizing a photonic crystal. The problem under consideration is described by a nonlinear Schrödinger equation with respect to amplitude slowly varying in time. We investigate a femtosecond beam interaction with photonic crystal numerically and analytically.

Paper Details

Date Published: 24 August 2017
PDF: 13 pages
Proc. SPIE 10345, Active Photonic Platforms IX, 103452C (24 August 2017); doi: 10.1117/12.2270632
Show Author Affiliations
Vyacheslav A. Trofimov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
Tatiana M. Lysak, M.V. Lomonosov Moscow State Univ. (Russian Federation)
Evgenii M. Trykin, M.V. Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10345:
Active Photonic Platforms IX
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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