Structure analysis of two-dimensional nonlinear self-trapped photonic lattices in anisotropic photorefractive media

Details Structure analysis of two-dimensional nonlinear self-trapped photonic lattices in anisotropic photorefractive media Structure analysis of two-dimensional nonlinear self-trapped photonic lattices in anisotropic photorefractive media

2006-05-15

arxiv.org/abs/nlin/0605031v1

Nonlinear Sciences

Pattern Formation and Solitons

4 pages, 3 figures

Scientific paper

10.1103/PhysRevE.74.057601

We generate experimentally different types of two-dimensional self-trapped photonic lattices in a photorefractive medium and analyze the induced refractive index change using two different methods. One method gives the first experimental Fourier space analysis of both linear and nonlinear self-trapped photonic lattices with periodic phase modulation using partially spatially incoherent multi-band excitation of the lattice modes. The other method utilizes the waveguiding properties of the lattice to achieve a real space analysis of the induced refractive index change. The results of both methods are compared.

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