81 citations · 296 across the 7 of their papers we have counts for
7 papers
A topological charge selection rule for phase singularities
M. Zacares, M. A. Garcia-March, J. Vijande +2
We present an study of the dynamics and decay pattern of phase singularities due to the action of a system with a discrete rotational symmetry of finite order. A topological charge…
Angular Pseudomomentum Theory for the Generalized Nonlinear Schrödinger Equation in Discrete Rotational Symmetry Media
M. -Á. García-March, A. Ferrando, M. Zacarés +2
We develop a complete mathematical theory for the symmetrical solutions of the generalized nonlinear Schrödinger equation based on the new concept of angular pseudomomentum. We con…
Vortex transmutation
Albert Ferrando, Mario Zacares, Miguel-Angel Garcia-March +1
Using group theory arguments and numerical simulations, we demonstrate the possibility of changing the vorticity or topological charge of an individual vortex by means of the actio…
Vorticity cutoff in nonlinear photonic crystals
Albert Ferrando, Mario Zacares, Miguel-Angel Garcia-March
Using group theory arguments, we demonstrate that, unlike in homogeneous media, no symmetric vortices of arbitrary order can be generated in two-dimensional (2D) nonlinear systems…
Nodal solitons and the nonlinear breaking of discrete symmetry
A. Ferrando, M. Zacares, P. Andres +2
We present a new type of soliton solutions in nonlinear photonic systems with discrete point-symmetry. These solitons have their origin in a novel mechanism of breaking of discrete…
Forward-backward equations for nonlinear propagation in axially-invariant optical systems
Albert Ferrando, Mario Zacares, Pedro Fernandez de Cordoba +2
We present a novel general framework to deal with forward and backward components of the electromagnetic field in axially-invariant nonlinear optical systems, which include those h…
Vortex solitons in photonic crystal fibers
Albert Ferrando, Mario Zacares, Pedro Fernandez de Cordoba +2
We demonstrate the existence of vortex soliton solutions in photonic crystal fibers. We analyze the role played by the photonic crystal fiber defect in the generation of optical vo…