Tapered transitions in the ion-exchanged glass waveguide are modeled to predict the index profile, propagation constant, and modal field along the taper. Results are in excellent agreement with the experimental data in Ag+-Na+ exchanged tapers fabricated by a two-step process in BK7 glass.
© 1990 Optical Society of America
Hsing C. Cheng and Ramu V. Ramaswamy, "Simulation of tapered transitions in ion-exchanged channel waveguides," Appl. Opt. 29, 1150-1156 (1990)