title: Dispersive shock waves in nonlinear arrays.
abstract: We experimentally study dispersive shock waves in nonlinear waveguide arrays. In contrast with gap solitons, the nonlinearity here pushes the propagation constant further into the transmission bands, facilitating Bloch mode coupling and energy transport. We directly observe this coupling, both within and between bands, by recording intensity in position space and power spectra in momentum space.
authors.affiliation: Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.
authors.forename: Shu
authors.initials: S
authors.lastname: Jia
authors.forename: Wenjie
authors.initials: W
authors.lastname: Wan
authors.forename: Jason W
authors.initials: JW
authors.lastname: Fleischer