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M. Guignard, V. Nazabal, F. Smektala, J.-L. Adam, O. Bohnke, C. Duverger, A. Moréac, H. Zeghlache, A. Kudlinski, G. Martinelli and Y. Quiquempois Chalcogenide Glasses Based on Germanium Disulfide for Second Harmonic Generation Advanced Functional Materials 17

Version of Record online: 11 SEP 2007 | DOI: 10.1002/adfm.200700047

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High second-order susceptibilities were created by thermal poling in bulk germanium disulfide based chalcogenide glasses. The second-order nonlinear signals were recorded by using a Maker fringes experiment (see figure), and a second-order coefficient χ(2) up to 8 pm V–1 was measured in Ge25Sb10S65 glass. Migration of Na+ ions towards the cathode may be responsible for the creation of a second-order nonlinearity in this sulfide glass.

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