Soliton excitation in waveguide arrays with an effective intermediate dimensionality
arXiv:0901.3223 · doi:10.1103/PhysRevLett.102.063902
Abstract
We reveal and observe experimentally significant modifications undertaken by discrete solitons in waveguide lattices upon the continuous transformation of the lattice structure from one-dimensional to two-dimensional. Light evolution and soliton excitation in arrays with a gradually increasing number of rows are investigated, yielding solitons with an effective reduced dimensionality residing at the edge and in the bulk of the lattice.
14 pages, 5 figures, to appear in Physical Review Letters
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