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Proceedings Paper

New routes in molecular nonlinear optics: sol-gel-based hybrid structures and all-optical orientation
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Paper Abstract

This paper reviews two emerging approaches towards new materials and related device technologies for nonlinear photonic applications. Hybrid organic-inorganic sol-gel materials are shown to be meeting material engineering requirements, with the electrically poling of Disperse Red1- like chromophores grafted to a syloxane chain exhibiting a remarkably high non resonant second-order nonlinearity together with long-term orientational stability. Furthermore, an all-optical poling method based on the photoinduced orientation of molecules in various matrices, appears as an appealing alternative to the traditional electric field poling, capable to circumvent its intrinsic limitations such as the necessity of a dipolar chromophore. We have experimentally demonstrated the possibility to implement a macroscopic multipolar organizational scheme by way of purely optical photoinduced processes. Adequate choice of the polarization states of fundamental and harmonic <<write>> beams will leave a permanent imprint of any desired symmetry pattern onto the (non)linear material.

Paper Details

Date Published: 6 July 1998
PDF: 10 pages
Proc. SPIE 3469, Organic-Inorganic Hybrid Materials for Photonics, (6 July 1998); doi: 10.1117/12.312916
Show Author Affiliations
Sophie Brasselet, Ecole Nationale Superieure de Cachan (France)
Joseph Zyss, Ecole Nationale Superieure de Cachan and France Telecom-CNET (France)

Published in SPIE Proceedings Vol. 3469:
Organic-Inorganic Hybrid Materials for Photonics
Liliane G. Hubert-Pfalzgraf; S. Iraj Najafi, Editor(s)

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