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12 papers · 1 filter
Fractal Photonic Crystal Waveguides
Juan A. Monsoriu, Carlos J. Zapata-Rodriguez, Enrique Silvestre +1
We propose a new class of one-dimensional (1D) photonic waveguides: the fractal photonic crystal waveguides (FPCWs). These structures are photonic crystal waveguides (PCWs) etched…
A transfer matrix method for the analysis of fractal quantum potentials
Juan A. Monsoriu, Francisco R. Villatoro, Maria J. Marin +2
The scattering properties of quantum particles on fractal potentials at different stages of fractal growth are obtained by means of the transfer matrix method. This approach can be…
Discrete-symmetry vortices as angular Bloch modes
Albert Ferrando
The most general form for symmetric modes of nonlinear discrete-symmetry systems with nonlinearity depending on the modulus of the field is presented. Vortex solutions are demonstr…
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…
Domain wall dynamics in an optical Kerr cavity
Victor J. Sanchez-Morcillo, Victor Espinosa, Isabel Perez-Arjona +3
An anisotropic (dichroic) optical cavity containing a self-focusing Kerr medium is shown to display a bifurcation between static --Ising-- and moving --Bloch-- domain walls, the so…
Effect of isotopic mass on the photoluminescence spectra of beta zinc sulfide
F. J. Manjon, M. Mollar, B. Mari +4
Zinc sulfide is a wide bandgap semiconductor which crystallizes in either the wurtzite modification (a-ZnS), the zincblende modification (b-ZnS) or as one of several similar tetrah…