title: Soliton emission in amplifying lattice surfaces.
abstract: We address surface solitons supported by the interface of optical lattices imprinted in saturable media with surface-localized gain. The nonlinearity saturation puts restrictions on the maximal energy flow carried by surface solitons. As a consequence, the presence of a thin amplifying layer near the surface results in the controllable emission of solitons toward the lattice at angles depending on the amplification rate and lattice depth.
authors.affiliation: ICFO-Institut de Ciences Fotoniques, and Universitat Politecnica de Catalunya, 08860 Castelldefels, Barcelona, Spain. Yaroslav.Kartashov@icfo.es
authors.forename: Yaroslav V
authors.initials: YV
authors.lastname: Kartashov
authors.forename: Victor A
authors.initials: VA
authors.lastname: Vysloukh
authors.forename: Lluis
authors.initials: L
authors.lastname: Torner