Optimization strategy to find shapes of soliton molecules

Optimization strategy to find shapes of soliton molecules
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寻找孤子分子形状的优化策略

DOI:
10.1007/s00340-013-5646-4
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发表时间:
2013
期刊:
Applied Physics B
影响因子:
--
通讯作者:
F. Mitschke
F. Mitschke
中科院分区:
--
文献类型:
--
作者:
S. Gholami;Ph. Rohrmann;A. Hause;F. Mitschke

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通常,我们对非线性波动方程的某个解很感兴趣,但没有已知的解析形式,我们必须使用近似。我们提出了一种搜索策略来寻找色散管理光纤中孤子分子的传播解,并以一定的精度确定其形状。该策略比较传播前后的形状,并调用一个优化例程来最小化差异。该方案设计为在实验中实现,以考虑所有光纤参数。在这里,我们给出了一个完整的数值研究和收敛性的验证;我们用已知解的例子验证了该方法。我们还比较了两种优化程序的性能,即Nelder-Mead单纯形法和遗传算法。
Frequently, a certain solution of a nonlinear wave equation is of interest, but no analytic form is known, and one must work with approximations. We introduce a search strategy to find solutions of the propagation of soliton molecules in a dispersion-managed optical fiber and to determine their shape with some precision. The strategy compares shapes before and after propagation and invokes an optimization routine to minimize the difference. The scheme is designed to be implemented in an experiment so that all fiber parameters are taken into account. Here, we present a full numerical study and a verification of convergence; we validate the method with cases of known solutions. We also compare the performance of two optimization procedures, the Nelder–Mead simplex method and a genetic algorithm.
DOI: 10.1049/el:19960062
发表时间: 1996-01
影响因子: 1.1
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