Interaction of waveguide and localized modes in a phononic crystal S. Benchabane, A. Khelif, A. Choujaa, B. Djafari-Rouhani and V. Laude Europhys. Lett., 71 4 (2005) 570-575 Published online: 20 July 2005 DOI: 10.1209/epl/i2005-10131-2