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Study of thermally poled fibers with a two-dimensional model
RISE - Research Institutes of Sweden, ICT, Acreo. Pontifícia Universidade Católica do Rio de Janeiro,Brazil.
RISE, Swedish ICT, Acreo.
RISE, Swedish ICT, Acreo. KTH Royal Institute of Technology, Sweden.
2014 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 22, p. 17700-15Article in journal (Refereed) Published
Abstract [en]

A two-dimensional (2D) numerical model is implemented to describe the movement of ions under thermal poling for the specific case of optical fibers. Three types of cations are considered (representing Na+, Li + and H3O+) of different mobility values. A cross-sectional map of the carrier concentration is obtained as a function of time. The role of the various cations is investigated. The assumptions of the model are validated by comparing the predictions to experimental data of the time evolution of the nonlinearity induced. A variational analysis of poling parameters including temperature, poling voltage, sign of the bias potential and initial ionic concentrations is performed for a particular fiber geometry. The analysis allows identifying the impact of these parameters on the induced secondorder nonlinearity in poled fibers.

Place, publisher, year, edition, pages
2014. Vol. 22, p. 17700-15
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-31949DOI: 10.1364/OE.22.017700Scopus ID: 2-s2.0-84905383245OAI: oai:DiVA.org:ri-31949DiVA, id: diva2:1151807
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2019-08-15Bibliographically approved

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