期刊
SOFTWAREX
卷 15, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.softx.2021.100741
关键词
Nonlinear partial differential equations; Lugiato-Lefever equation; Dissipative solitons; Python
资金
- Deutsche Forschungsgemeinschaft (DFG), Germany under Germany's Excellence Strategy within the Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering -Innovation Across Disciplines) [EXC 2122, 390833453]
- Open Access Fund of the Leibniz Universitat Hannover
The Python toolkit allows simulation of dissipative soliton propagation dynamics in a variant of the Lugiato-Lefever equation with third and fourth order dispersion terms. Users can specify propagation scenarios for custom control parameters and initial conditions via a simple data structure. The software package demonstrates obtaining stationary solutions of the standard LLE containing a dissipative soliton and different characteristic propagation scenarios.
We present a Python toolkit for simulating the propagation dynamics of dissipative solitons in a variant of the Lugiato-Lefever equation (LLE) including dispersion terms of third and fourth order. In addition, the provided software allows to prepare initial conditions given by stationary localized solutions of the standard LLE in the anomalous group-velocity dispersion regime. Propagation scenarios for custom control parameters and initial conditions can be specified by the user via a simple class data structure. We demonstrate the implemented functionality by showing how to obtain stationary solutions of the standard LLE containing a dissipative soliton, and, demonstrating different characteristic propagation scenarios. The pyGLLE software package is open-source and released under the X11 License in a publicly available software repository. (C) 2021 The Authors. Published by Elsevier B.V.
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