Dark spatial solitons in bulk azo-dye-doped polymer using photoinduced molecular reorientation

We report the generation of dark spatial solitons in bulk Disperse Red 1 doped poly(methyl methacrylate) using photoinduced reorientation of azo-dye molecules. Planar solitions are formed when illuminated with a continuous-wave laser at intensities of the order of hundreds of miliwatts per square ce...

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Bibliographic Details
Published in:Applied physics letters 2004-08, Vol.85 (7), p.1104-1106
Main Authors: Bian, Shaoping, Kuzyk, Mark G.
Format: Article
Language:English
Subjects:
AZO DYES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DOPED MATERIALS
LASERS
METHACRYLIC ACID ESTERS
POLYMERS
SOLITONS
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Summary:We report the generation of dark spatial solitons in bulk Disperse Red 1 doped poly(methyl methacrylate) using photoinduced reorientation of azo-dye molecules. Planar solitions are formed when illuminated with a continuous-wave laser at intensities of the order of hundreds of miliwatts per square centimeter. The width of the soliton saturates to a minimum value at high intensity; and when the width of the initial dark notch is reduced, the equilibrium minimum width is unchanged.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1780599