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Second-order optical nonlinearity in thermally poled multilayer germanosilicate thin films

Li, Wei; An, H.; Fleming, S.


The Maker fringe method and second-harmonic light microscopy were applied to investigate the second-order optical nonlinearity induced in thermally poled silica thin films. It was found that the nonlinearity in Ge-doped film was more than three times that in pure silica film. Results from the second-harmonic microscopy revealed that, in the Ge-doped silica thin films with varying Ge-doping concentration along the thin film depth, the nonlinearity exhibited a multilayer distribution with peaks...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Electronics Letters
DOI: 10.1049/el:20080618


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