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Proceedings Paper

Influence of matrix-dopant interactions for all-optical memorization in doped xerogels
Author(s): Florian Bentivegna; Michael Canva; Alain Brun; Frederic Chaput; Jean-Pierre Boilot
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Paper Abstract

We show that including highly polarizable dopants in the pores of a xerogel matrix leads to interesting optical properties and applications, such as an all-optical molecular memory device. By submitting the sample to ultrashort linearly polarized optical pulses, we demonstrate that the dopants tend to align along the direction of the electric field of the optical wave like in classical optical Kerr effect, and that the new alignment of the molecules is partially maintained. We study the influence of the matrix-dopant interactions on this phenomenon. For example, for rhodamine-like molecules, we establish that the alignment ability as well as the relaxation times depend strongly on the structure of the gel network and on the coupling intensity between the host matrix and the guest molecule.

Paper Details

Date Published: 13 October 1994
PDF: 12 pages
Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994); doi: 10.1117/12.188998
Show Author Affiliations
Florian Bentivegna, Univ. d'Orsay-Paris XI (France)
Michael Canva, Univ. d'Orsay-Paris XI (France)
Alain Brun, Univ. d'Orsay-Paris XI (France)
Frederic Chaput, Lab. de Physique de la Matiere Condensee (France)
Jean-Pierre Boilot, Lab. de Physique de la Matiere Condensee (France)

Published in SPIE Proceedings Vol. 2288:
Sol-Gel Optics III
John D. Mackenzie, Editor(s)

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