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    Observation of Discrete Solitons and Soliton Rotation in Optically Induced Periodic Ring Lattices

    Xiaosheng Wang1,2 and Zhigang Chen1,3

    P. G. Kevrekidis

    • 1Department of Physics and Astronomy, San Francisco State University, San Francisco, California 94132, USA
    • 2The State Key Lab of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou, China
    • 3TEDA Applied Physical School, Nankai University, Tianjin, China

    • Department of Mathematics and Statistics, University of Massachusetts, Amherst, Massachusetts 01003, USA

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    Phys. Rev. Lett. 96, 083904 – Published 3 March, 2006

    DOI: https://doi.org/10.1103/PhysRevLett.96.083904

    Abstract

    We report the first experimental demonstration of ring-shaped photonic lattices by optical induction and the formation of discrete solitons in such radially symmetric lattices. The transition from discrete diffraction to single-channel guidance or nonlinear self-trapping of a probe beam is achieved by fine-tuning the lattice potential or the focusing nonlinearity. In addition to solitons trapped in the lattice center and in different lattice rings, we demonstrate controlled soliton rotation in the Bessel-like ring lattices.

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    Phys. Rev. Lett. 96, 083904– Published 3 March, 2006
    • Received 26 October 2005

    © 2006 American Physical Society

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