Characterization and inhibition of photorefractive optical damage of swift heavy ion irradiation waveguides in LiNbO_3

descriptionPublicationkeyboard_double_arrow_right Article 03 Oct 2012 English Publisher:Optica Publishing GroupJournal:Journal of the Optical Society of America B, volume 29, page 3,000 (issn: 0740-3224, eissn: 1520-8540,

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Authors: Jubera, M.; García Cabañes, Ángel; Carrascosa, M.; Olivares Pascual, José; Lüedtke, F.;

doi: 10.1364/josab.29.003000

handle: 10261/65388

Characterization and inhibition of photorefractive optical damage of swift heavy ion irradiation waveguides in LiNbO_3

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Abstract

The photorefractive effect and the corresponding optical damage thresholds of novel LiNbO 3 waveguides fabricated by swift ion irradiation have been investigated. TE- and TM-mode operation have been characterized, and the influence of the beam propagation length analyzed. Optical damage levels similar to those of proton-exchanged waveguides have been found. In order to reduce optical damage, the influence of temperature has been investigated. An increase of more than a factor of 100 in the optical damage threshold has been obtained by moderate heating up to 90Â°C. The results are briefly discussed under the two-center model for the photorefractive effect in undoped LiNbO 3, and compared with data from other types of LiNbO 3 waveguides. Â© 2012 Optical Society of America.

This work was supported by the Ministerio de Economia y Competitividad (MINECO) under grants MAT2008-06794- C03-01 and MAT2011-28379-C03-01.

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Related Organizations

University of Bonn
Germany
Autonomous University of Madrid
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