Self-trapping of scalar and vector dipole solitary waves in Kerr media
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We report solutions for expanding dipole-type optical solitary waves in two-dimensional Kerr media with the self-focusing nonlinearity, using exact analytical (Hirota) and numerical methods. Such localized beams carry intrinsic vorticity and exhibit symmetric shapes for both scalar and vector solitary modes. When vector beams are close to the scalar limit, simulations demonstrate their stability over propagation distances exceeding 50 diffraction lengths. In fact, the continuous expansion helps the vortical beams avoid the instability against the splitting, collapse, or decay, making them "convectively stable" patterns. 2011 American Physical Society.
author list (cited authors)
Zhong, W., Belic, M. R., Assanto, G., Malomed, B. A., & Huang, T.
complete list of authors
Zhong, Wei-Ping||Belic, Milivoj R||Assanto, Gaetano||Malomed, Boris A||Huang, Tingwen