https://www.osapublishing.org/oe/abstract.cfm?uri=oe-18-14-14679 (Verlagsversion)
Hu, Y., Egger, R., Zhang, P., Wang, X., & Chen, Z. (2010). Interface solitons excited between a simple lattice and a superlattice. Optics Express, 18(14), 14679-14684. doi:10.1364/OE.18.014679.