Abstract
We obtain an analytical vector Hermite–Gaussian spatial soliton solution of the (2+1)-dimensional coupled nonlocal nonlinear Schrödinger equation in the inhomogeneous nonlocal nonlinear media, and investigate the periodic expansion and compression behaviors of Hermite–Gaussian spatial solitons in a periodic modulation system. The structure of Hermite–Gaussian soliton lattice is decided by the degree (n, m) of Hermite polynomials. The evolution of the soliton-lattice breather appears the full breathing cycle, and the interval between solitons oscillates periodically as the wave propagates. The amplitude and width change periodically; however, they exist opposite trend in the periodic modulation system.
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This work was supported by the Scientific Research Fund of Zhejiang Provincial Education Department under Grant No. Y201120994.
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Wu, HY., Jiang, LH. Vector Hermite–Gaussian spatial solitons in (2+1)-dimensional strongly nonlocal nonlinear media. Nonlinear Dyn 83, 713–718 (2016). https://doi.org/10.1007/s11071-015-2359-8
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DOI: https://doi.org/10.1007/s11071-015-2359-8