Forecasting the dynamics of chaotic systems from the analysis of their output signals is a challenging problem with applications in most fields of modern science. In this work, we use a laser model to compare the performance of several machine learning algorithms for forecasting the amplitude of upcoming emitted chaotic pulses. We simulate the dynamics of an optically injected semiconductor laser that presents a rich variety of dynamical regimes when changing the parameters. We focus on a particular dynamical regime that can show ultrahigh intensity pulses, reminiscent of rogue waves. We compare the goodness of the forecast for several popular methods in machine learning, namely, deep learning, support vector machine, nearest neighbors, and reservoir computing. Finally, we analyze how their performance for predicting the height of the next optical pulse depends on the amount of noise and the length of the time series used for training.
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November 2019
Research Article|
November 12 2019
Machine learning algorithms for predicting the amplitude of chaotic laser pulses
Pablo Amil
;
Pablo Amil
a)
1
Departament de Física, Universitat Politècnica de Catalunya
, St. Nebridi 22, Terrassa 08222, Barcelona, Spain
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Miguel C. Soriano
;
Miguel C. Soriano
2
Instituto de Física Interdisciplinar y Sistemas Complejos, IFISC (CSIC-UIB), Campus Universitat de les Illes Balears
, E-07122 Palma de Mallorca, Spain
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Cristina Masoller
Cristina Masoller
1
Departament de Física, Universitat Politècnica de Catalunya
, St. Nebridi 22, Terrassa 08222, Barcelona, Spain
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a)
Electronic mail: pamil@fisica.edu.uy
Note: This paper is part of the Focus Issue, "When Machine Learning Meets Complex Systems: Networks, Chaos and Nonlinear Dynamics."
Chaos 29, 113111 (2019)
Article history
Received:
July 20 2019
Accepted:
October 28 2019
Citation
Pablo Amil, Miguel C. Soriano, Cristina Masoller; Machine learning algorithms for predicting the amplitude of chaotic laser pulses. Chaos 1 November 2019; 29 (11): 113111. https://doi.org/10.1063/1.5120755
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