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Proceedings Paper

Control of polar order of the molecules using dual-frequency interferences
Author(s): Jean-Michel Nunzi; Celine Fiorini-Debuisschert; Anne-Catherine Etile
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Paper Abstract

The nonlinear excitation of organic molecules in polymer matrices using dual-frequency beams permits the achievement of a large and permanent second-order nonlinearity. The so-called all-optical poling technique permits the patterning of 3- dimensional spatio-tensorial micro-structures in resonant and in transparent materials. Using appropriate combinations of circular polarizations, nearly perfect dipolar and octupolar orders is induced in a polymer consisting of linear molecules. Writing-beams phase retardation angle is coded into a rotation of the nonlinear pattern by the same angle. This permits the achievement of chirality gratings. This may also offer a polarization insensitive configuration for frequency conversion devices.

Paper Details

Date Published: 17 April 1998
PDF: 7 pages
Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); doi: 10.1117/12.305413
Show Author Affiliations
Jean-Michel Nunzi, CEA Saclay (France)
Celine Fiorini-Debuisschert, CEA Saclay (France)
Anne-Catherine Etile, CEA Saclay (France)


Published in SPIE Proceedings Vol. 3281:
Polymer Photonic Devices
Bernard Kippelen; Donal D. C. Bradley, Editor(s)

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