title: Snake instability of one-dimensional parametric spatial solitons.
abstract: We show that one-dimensional parametric spatial solitons undergo temporal instability that leads to their breakup into spatiotemporal patterns with a characteristic snakelike shape.
authors.forename: A
authors.initials: A
authors.lastname: De Rossi
authors.forename: S
authors.initials: S
authors.lastname: Trillo
authors.forename: A V
authors.initials: AV
authors.lastname: Buryak
authors.forename: Y S
authors.initials: YS
authors.lastname: Kivshar