Discrete X-wave-like spatio-temporal structures in one-dimensional nonlinear liquid crystal waveguide arrays

G. Papazisimos; L. Halastanis; S. Droulias; Y. Kominis; P. Papagiannis; K. Hizanidis

doi:10.1117/12.722366

9 May 2007 Discrete X-wave-like spatio-temporal structures in one-dimensional nonlinear liquid crystal waveguide arrays

G. Papazisimos; L. Halastanis; S. Droulias; Y. Kominis; P. Papagiannis; K. Hizanidis

Author Affiliations +

Proceedings Volume 6587, Liquid Crystals and Applications in Optics; 65870M (2007) https://doi.org/10.1117/12.722366
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

Optical spatio-temporal X-wave-like pattern formation is investigated in a voltage-controlled array of channel waveguides in nematic liquid crystals and in generic optically dispersive nonlocal nonlinear media as well. The nonlinear response of the system is governed by the spatio-temporal diffusion equation for the medium's response to the optical field, while the respective equation for the evolving light pulse may incorporate normal temporal dispersion. The associated discrete nonlinear Schr&diaero;dinger equation which governs the evolution of the temporal profiles of a discrete set of modes is derived and is studied numerically. The results are obtained via full numerical investigation of the array with beam propagation techniques.

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G. Papazisimos, G. Papazisimos, L. Halastanis, L. Halastanis, S. Droulias, S. Droulias, Y. Kominis, Y. Kominis, P. Papagiannis, P. Papagiannis, K. Hizanidis, K. Hizanidis, } "Discrete X-wave-like spatio-temporal structures in one-dimensional nonlinear liquid crystal waveguide arrays", Proc. SPIE 6587, Liquid Crystals and Applications in Optics, 65870M (9 May 2007); doi: 10.1117/12.722366; https://doi.org/10.1117/12.722366

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