1. Model for Ion-Exchanged Waveguides in Glass
2. Wide single-mode channels and directional coupler by two-step ion-exchange in glass
3. Babin, L. J. M., Yip, G. L. 1994. Design and realization of a widened x-branch demultiplexer at 1.31 and 1.55 (m by KC-NaCion exchange in a glass substrate, OSA Topical Meeting on Integrated Photonics Research, February. San Francisco, Calif., Tech. Dig., pp.241-243.