Time dependence of soliton formation in planar cells of nematic liquid crystals

Spatial optical solitons can be observed in bulk nematic-liquid-crystal cells with an entrance window and a bias voltage applied over the cell to enhance the optical nonlinear effect of laser-induced molecular reorientation. The soliton-induced waveguide is observed in transmission by use of a secon...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2005-05, Vol.41 (5), p.735-740
Main Authors: Beeckman, J., Neyts, K., Hutsebaut, X., Cambournac, C., Haelterman, M.
Format: Article
Language:English
Subjects:
Beams (radiation)
Electric potential
Entrances
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser beams
Light sources
Liquid crystals
Mathematical models
Molecular beams
Nematic liquid crystals
Nonlinear optics
Optical materials
optical nonlinearity
Optical polarization
Optical solitons
Optical solitons
nonlinear guided waves
Optical waveguides
Optics
Physics
Solitons
spatial optical solitons
Time dependence
Voltage
Waveguide lasers
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Summary:Spatial optical solitons can be observed in bulk nematic-liquid-crystal cells with an entrance window and a bias voltage applied over the cell to enhance the optical nonlinear effect of laser-induced molecular reorientation. The soliton-induced waveguide is observed in transmission by use of a second light source and crossed polarizers. This setup allows us to investigate the time dependence of the molecular reorientation that sustains the soliton-like beam propagation. Results from a numerical simulation are in good agreement with the experimental results, which confirms the validity of our model.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2005.845928