Toward stable materials for electro-optic modulation and photorefractive applications: the hybrid organic-inorganic approach

Lionel Ventelon; Margarita Mladenova; Valerie Alain; Mireille H. Blanchard-Desce; Frederic Chaput; Khalid Lahlil; Jean-Pierre Boilot; Bruno Darracq; Jorge Reyes; Yves Levy

doi:10.1117/12.348398

18 May 1999 Toward stable materials for electro-optic modulation and photorefractive applications: the hybrid organic-inorganic approach

Lionel Ventelon, Margarita Mladenova, Valerie Alain, Mireille H. Blanchard-Desce, Frederic Chaput, Khalid Lahlil, Jean-Pierre Boilot, Bruno Darracq, Jorge Reyes, Yves Levy

Author Affiliations +

Proceedings Volume 3623, Organic Photonic Materials and Devices; (1999) https://doi.org/10.1117/12.348398
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

We have developed hybrid organic-inorganic materials based upon the incorporation of nonlinear chromophores in a rigid amorphous inorganic matrix. Functionalized thin films have been prepared using the sol-gel route allowing for mild synthesis conditions. Push-pull chromophores were either incorporated as guests or grafted on a silica based backbone via a spacer. Orientation of the dipolar chromophores within the materials was performed using the Corona technique. By playing on the structure of the push-pull chromophores and on its orientational stability inside the matrix, functionalized materials with large electro-optic coefficients and excellent stability have been designed. By combining both appropriate push-pull chromophores and photoconductors grafted on the matrix, materials showing interesting photorefractive properties can be obtained without requiring the application of an external electric field. Both the presence of a strong internal field in the poled materials and the occurrence of photo-assisted orientational birefringence plays a significant role.

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Lionel Ventelon, Margarita Mladenova, Valerie Alain, Mireille H. Blanchard-Desce, Frederic Chaput, Khalid Lahlil, Jean-Pierre Boilot, Bruno Darracq, Jorge Reyes, and Yves Levy "Toward stable materials for electro-optic modulation and photorefractive applications: the hybrid organic-inorganic approach", Proc. SPIE 3623, Organic Photonic Materials and Devices, (18 May 1999); https://doi.org/10.1117/12.348398

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