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Soliton complexes and flat-top nonlinear modes in optical lattices

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Abstract

We describe a continuous analog of the quasirectangular flat-top nonlinear modes earlier found for discrete nonlinear models. We show that these novel nonlinear modes can be understood as multi-soliton complexes with either in-phase or out-of-phase neighboring solitons trapped by the periodic potential of the lattice. We demonstrate a link between the flat-top states and the truncated nonlinear Bloch waves, and discuss how these nonlinear localized modes can be monitored experimentally in photonics and Bose–Einstein condensates.

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Authors and Affiliations

  1. Nonlinear Physics Center and Australian Center for Quantum-Atom Optics (ACQAO), Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT, 0200, Australia

    T.J. Alexander & Y.S. Kivshar

Authors
  1. T.J. Alexander
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  2. Y.S. Kivshar
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Correspondence to T.J. Alexander.

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PACS

42.65.Tg; 42.65.Jx; 03.75.Lm

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Alexander, T., Kivshar, Y. Soliton complexes and flat-top nonlinear modes in optical lattices. Appl. Phys. B 82, 203–206 (2006). https://doi.org/10.1007/s00340-005-2071-3

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  • DOI: https://doi.org/10.1007/s00340-005-2071-3

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