Saturable discrete vector solitons in one-dimensional photonic lattices

Abstract

Localized vectorial modes, with equal frequencies and mutually orthogonal polarizations, are investigated both analytically and experimentally in a one-dimensional photonic lattice with saturable nonlinearity. It is shown that these modes may span over many lattice elements and that energy transfer among the two components is both phase and intensity dependent. The transverse electrically polarized mode exhibits a single-hump structure and spreads in cascades in saturation, while the transverse magnetically polarized mode exhibits splitting into a two-hump structure. Experimentally such discrete vector solitons are observed in lithium niobate lattices for both coherent and mutually incoherent excitations.

arXiv comment4 pages, 5 figures (reduced for arXiv)

References in corpus (3)

• Discrete soliton mobility in two-dimensional waveguide arrays with saturable nonlinearity
• Formation and light guiding properties of dark solitons in one-dimensional waveguide arrays
• All-optical switching and amplification of discrete vector solitons in nonlinear cubic birefringent waveguide arrays

Cited by in corpus (6)

• Topological and flat bands states induced by hybridized interactions in one-dimensional photonic lattices
• Dark-bright gap solitons in coupled-mode one-dimensional saturable waveguide arrays
• Solitons and Vortices in Two-dimensional Discrete Nonlinear Schrodinger Systems with Spatially Modulated Nonlinearity
• Multi-stable regime and intermediate solutions in a nonlinear saturable coupler
• Soliton shape and mobility control in optical lattices
• Bright Discrete Solitons in Spatially Modulated DNLS Systems