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Proceedings Paper

Material optimization for electro-optic modulation and cascading
Author(s): Jorge Reyes; Bruno Darracq; Michael Canva; Mireille H. Blanchard-Desce; Frederic Chaput; Khalid Lahlil; Jean-Pierre Boilot; Alain Brun; Yves Levy
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Paper Abstract

A large effort has been devoted to the preparation of organic polymeric materials for electro-optic modulation and more recently for cascading based processes. These materials contain push-pull chromophores either incorporated as guest in a high Tg polymeric matrix (doped polymers) or grafted onto the polymeric matrix. These systems present several advantages but require significant improvement at the molecular level- by designing optimized chromophores with very large molecular figure of merit specific to each application targeted. The sol-gel route was used to prepare hybrid organic-inorganic materials, for the fabrication of amorphous solids of various shapes (bulk, think films...). The results obtained on optimized chromophore-doped poled thin films emphasize that intermolecular interactions have to be taken into account, as already pointed out by Dalton and coworkers. By combining a molecular engineering strategy for getting large molecular figure of merit and by controlling the intermolecular dipole-dipole interactions via both tuning the push-pull chromophore concentration and the incorporation screening carbazole moieties in high concentration. This strategy allows us to obtain a r33 of about 50 pm/V at 831 nm for a new optimized chromophore structure. In parallel, these thin films are being processed to be used as passive components for integrated optics.

Paper Details

Date Published: 29 November 2000
PDF: 8 pages
Proc. SPIE 4106, Linear, Nonlinear, and Power-Limiting Organics, (29 November 2000); doi: 10.1117/12.408505
Show Author Affiliations
Jorge Reyes, Univ. d'Orsay-Paris XI (Mexico)
Bruno Darracq, Univ. d'Orsay-Paris XI (France)
Michael Canva, Univ. d'Orsay-Paris XI (France)
Mireille H. Blanchard-Desce, Ecole Normale Superieure (France)
Frederic Chaput, Ecole Polytechnique (France)
Khalid Lahlil, Ecole Polytechnique (France)
Jean-Pierre Boilot, Ecole Polytechnique (France)
Alain Brun, Univ. d'Orsay-Paris XI (France)
Yves Levy, Univ. d'Orsay-Paris XI (France)

Published in SPIE Proceedings Vol. 4106:
Linear, Nonlinear, and Power-Limiting Organics
Manfred Eich; Christopher M. Lawson; Mark G. Kuzyk; Manfred Eich; Mark G. Kuzyk; Christopher M. Lawson; Robert A. Norwood, Editor(s)

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