Saturable discrete vector solitons in one-dimensional photonic lattices

Details Saturable discrete vector solitons in one-dimensional photonic lattices Saturable discrete vector solitons in one-dimensional photonic lattices

2007-01-30

arxiv.org/abs/nlin/0701060v1

Phys. Rev. A 76, 033816 (2007).

Nonlinear Sciences

Pattern Formation and Solitons

4 pages, 5 figures (reduced for arXiv)

Scientific paper

10.1103/PhysRevA.76.033816

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.

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