title: Spatial vector solitons consisting of counterpropagating fields.
abstract: We present the experimental observation of a spatial vector soliton formed by counterpropagation of coherent optical fields. This is to our knowledge the first observation of a vector soliton in which the induced waveguide (potential) is periodic in the propagation direction. This vector soliton induces a waveguide and a thick grating within the waveguide, which can be used as a tunable optical waveguide filter.
authors.forename: Oren
authors.initials: O
authors.lastname: Cohen
authors.forename: Song
authors.initials: S
authors.lastname: Lan
authors.forename: Tal
authors.initials: T
authors.lastname: Carmon
authors.forename: J A
authors.initials: JA
authors.lastname: Giordmaine
authors.forename: Mordechai
authors.initials: M
authors.lastname: Segev