Journal
NONLINEAR DYNAMICS
Volume 88, Issue 4, Pages 2629-2635Publisher
SPRINGER
DOI: 10.1007/s11071-017-3399-z
Keywords
Vector multipole soliton; Vector vortex soliton; (2+1)-dimensional coupled nonlinear schrodinger equation; Kerr nonlinear media
Categories
Funding
- Zhejiang Provincial Natural Science Foundation of China [LY17F050011, LY16A040014, LQ16A040003]
- National Natural Science Foundation of China [11375007, 11574272, 11574271]
- Foundation of New Century 151 Talent Engineering of Zhejiang Province of China
- Youth Top-notch Talent Development and Training Program of Zhejiang AF University
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We investigate a (2+1)-dimensional coupled nonlinear Schrodinger equation with spatially modulated nonlinearity and transverse modulation, and derive analytical vector multipole and vortex soliton solution. When the modulation depth q is chosen as 0 and 1, vector multipole and vortex solitons are constructed, respectively. The number of azimuthal lobes (petals) for the multipole solitons is determined by the value of 2m with the topological charge m, and the number of layers in the multipole solitons is determined by the value of the soliton order number n.
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