title: Observation of vector solitons with hidden vorticity.
abstract: This letter reports the first experimental observation, to our knowledge, of optical vector solitons composed of two incoherently coupled vortex components. We employ nematic liquid crystal to generate stable vector solitons with counterrotating vortices and hidden vorticity. In contrast, the solitons with explicit vorticity and corotating vortex components show azimuthal splitting.
authors.affiliation: Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia. yvi124@rsphysse.anu.edu.au
authors.forename: Yana V
authors.initials: YV
authors.lastname: Izdebskaya
authors.forename: Johannes
authors.initials: J
authors.lastname: Rebling
authors.forename: Anton S
authors.initials: AS
authors.lastname: Desyatnikov
authors.forename: Yuri S
authors.initials: YS
authors.lastname: Kivshar