Calculation of extraordinary refractive index change in proton-exchanged LiTaO3 waveguides

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)1453-1454
Journal / PublicationElectronics Letters
Volume29
Issue number16
Publication statusPublished - 5 Aug 1993

Abstract

A theoretical index model for the extraordinary refractive index increase in proton-exchanged LiTaO3 is presented. The index change is caused by two factors: the change in spontaneous polarization and the change due to the photoelastic effect caused by the lattice volume expansion. Close agreement is obtained between quantitative calculation based on the proposed model and experiment data.