Control of polar order of the molecules using dual-frequency interferences

Jean-Michel Nunzi; Celine Fiorini-Debuisschert; Anne-Catherine Etile

doi:10.1117/12.305413

17 April 1998 Control of polar order of the molecules using dual-frequency interferences

Jean-Michel Nunzi, Celine Fiorini-Debuisschert, Anne-Catherine Etile

Proceedings Volume 3281, Polymer Photonic Devices; (1998) https://doi.org/10.1117/12.305413
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

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.

Citation Download Citation

Jean-Michel Nunzi, Celine Fiorini-Debuisschert, and Anne-Catherine Etile "Control of polar order of the molecules using dual-frequency interferences", Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); https://doi.org/10.1117/12.305413

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