Optimized Algorithm for Petviashvili’s Method for Finding Solitons in Photonic Lattices

Raka Jovanović () and Milan Tuba ()
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Raka Jovanović: Institute of Physics
Milan Tuba: Megatrend University

A chapter in Approximation and Computation, 2010, pp 393-400 from Springer

Abstract: Abstract In this paper we present an improved algorithm for Petviashvili’s heuristic numerical method for finding solitons in optically induced photonic lattices. Petviashvili’s method is usually used for approximating stationary solutions of nonlinear wave equations to construct numerically the solitary wave solutions such as solitons, lumps, and vortices. We developed and implemented a general software simulator designed for finding solitons in photonic lattices. The Petviashvili’s method is first modified by adding a stabilizing factor that greatly increases stability of the original method. Our software simulator implementation includes a number of criteria for recognizing, at an early stage, divergent or very slowly convergent cases. These criteria, that include Absence of stabilization, Slow convergence, Long interval of instability and Seesaw, significantly lower the overall calculation time.

Keywords: Solitonic Solution; Nonlinear Wave Equation; Solitary Wave Solution; Optical Soliton; Photonic Lattice (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:spr:spochp:978-1-4419-6594-3_25

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DOI: 10.1007/978-1-4419-6594-3_25

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