We explore the symmetry reduction of spatial solitons supported by photonic lattices of three- and four-fold symmetries due to the photorefractive orientational anisotropy. Influences of anisotropy to more complex vortex and multi-vortex solitons are discussed.
© 2007 Optical Society of America
B. Terhalle, P. Rose, J. Imbrock, C. Denz, T. Richter, F. Kaiser, A. S. Desyatnikov, and Y. S. Kivshar, " Anisotropic Spatial Solitons in Optically-Induced Photonic Lattices of Different Symmetries," in Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More, OSA Technical Digest (CD) (Optical Society of America, 2007), paper MB38.
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