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Amplification optique dans des verres borophosphate de niobium et tellurite dopés aux ions de terres rares présentant un indice optique non linéaire élevé.

Abstract : This study fits, non only, into the understanding of the relation between the rare earth and the non linear index, but also, into the search of new rare earth doped materials for optical commutation. The erbium oxide introduction in tellurite and borophosphate glasses, showing intrinsically high third order nonlinearity, has been studied. It has been demonstrated that it is possible to correlate the gain and the nonlinearity in doped materials with the structural analysis and the spectroscopic properties. The influence of the 4f – 4f transition probability on the nonlinearity has been discussed. All the results allow to understand and to predict the nonlinear index variation of an amplifier material.
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Submitted on : Friday, December 5, 2003 - 7:18:42 PM
Last modification on : Thursday, January 11, 2018 - 6:15:07 AM
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Laëticia Petit. Amplification optique dans des verres borophosphate de niobium et tellurite dopés aux ions de terres rares présentant un indice optique non linéaire élevé.. Matériaux. Université Sciences et Technologies - Bordeaux I, 2002. Français. ⟨tel-00003919⟩

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