Characterization of annealed proton-exchanged LiNbO3 waveguides fabricated using toluic acid

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)378-381
Journal / PublicationMicrowave and Optical Technology Letters
Volume6
Issue number6
Publication statusPublished - May 1993
Externally publishedYes

Abstract

Annealing properties of proton-exchanged optical waveguides in z-cut LiNbO3 fabricated using toluic acid are reported. Variations in the surface refractive index and waveguide depth with annealing time are found to follow a power-law relationship, and a minimum propagation loss of 0.23 dB/cm is measured at 0.633-μm wavelength.