Discrete interband mutual focusing in nonlinear photonic lattices

Details Discrete interband mutual focusing in nonlinear photonic lattices Discrete interband mutual focusing in nonlinear photonic lattices

2005-06-10

arxiv.org/abs/physics/0506091v1

Optics Express 13, 5369-5376 (2005)

Physics

Optics

8 pages, 6 figures. To download the associated .avi movie, go to http://www.rsphysse.anu.edu.au/~crr124/mut_focus/

Scientific paper

10.1364/OPEX.13.005369

We study nonlinear coupling of mutually incoherent beams associated with different Floquet-Bloch waves in a one-dimensional optically-induced photonic lattice. We demonstrate experimentally how such interactions lead to asymmetric mutual focusing and, for waves with opposite diffraction properties, to simultaneous focusing and defocusing as well as discreteness-induced beam localization and reshaping effects.

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