Journal
JOURNAL OF MODERN OPTICS
Volume 65, Issue 17, Pages 1975-1982Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2018.1480066
Keywords
Jacobi elliptic functions (JEF); optical solitons; integrability; constraints
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This article presents an analytical study of the propagation of solitons through optical fibres. We consider a nonlinear Schrodinger equation with spatio-temporal dispersion and quadratic-cubic nonlinearity. Jacobi elliptic functions are used as an ansatz to extract optical dark and bright solitons as well as Jacobi elliptic solutions. The extended direct algebraic method gives dark and dark-singular soliton solutions. The constraint conditions which guarantee the existence of soliton solutions are listed.
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