@CONFERENCE\{IMM2001-0170, author = "J. F. Corney and O. Bang", title = "Modulationally stable propagation in periodic quadratically nonlinear slab waveguides", year = "2001", pages = "179-181", booktitle = "Nonlinear Guided Waves and Their Applications, {OSA} Technical Digest", volume = "", series = "", editor = "", publisher = "Optical Society of America", organization = "", address = "Washington {DC}", url = "http://www2.compute.dtu.dk/pubdb/pubs/170-full.html" }