Title :
Double-alkali effect: influence on index profile of ion-exchanged waveguides
Author :
Neuman, V. ; Parriaux, Olivier ; Walpita, L.M.
Author_Institution :
University College London, Department of Electronic & Electrical Engineering, London, UK
Abstract :
Optical waveguides approximating a step-index profile have been fabricated in soda-lime glass by ion-exchanging rubidium or caesium for sodium. We show that the low propagation losses and the diffusion profile are related to the interaction between the two alkalis.
Keywords :
ion exchange; optical waveguides; Cs; Na; Rb; diffusion profile; double alkali effect; fabrication; index profile; ion exchange; optical waveguides; propagation losses; step index profile;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790501
