Inverse design of mode-locked fiber laser by particle swarm optimization algorithm

Alexey Kokhanovskiy; Evgeny Kuprikov; Anastasia Bednyakova; Ivan Popkov; Sergey Smirnov; Sergei K. Turitsyn

doi:10.1038/s41598-021-92996-1

Inverse design of mode-locked fiber laser by particle swarm optimization algorithm

Alexey Kokhanovskiy^*, Evgeny Kuprikov, Anastasia Bednyakova, Ivan Popkov, Sergey Smirnov, Sergei K. Turitsyn

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A wide variety of laser applications, that often require radiation with specific characteristics, and relative flexibility of laser configurations offer a prospect of designing systems with the parameters on demand. The inverse laser design problem is to find the system architecture that provides for the generation of the desired laser output. However, typically, such inverse problems for nonlinear systems are sensitive to the computation of the gradients of a target (fitness) function making direct back propagation approach challenging. We apply here particle swarm optimization algorithm that does not rely on the gradients of the fitness function to the design of a fiber 8-figure laser cavity. This technique allows us to determine the laser cavity architectures tailored to generating on demand pulses with duration in the range of 1.5–105 ps and spectral width in the interval 0.1–20.5 nm. The proposed design optimisation algorithm can be applied to a variety of laser applications, and, more generally, in a range of engineering systems with flexible adjustable configurations and the outputs on demand.

Original language	English
Article number	13555
Journal	Scientific Reports
Volume	11
Issue number	1
DOIs	https://doi.org/10.1038/s41598-021-92996-1
Publication status	Published - 30 Jun 2021

Bibliographical note

© The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International
License, which permits use, sharing, adaptation, distribution and reproduction in any medium or
format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the
Creative Commons licence, and indicate if changes were made. The images or other third party material in this
article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the
material. If material is not included in the article’s Creative Commons licence and your intended use is not
permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from
the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

Funding: This work was supported by the Russian Science Foundation (Grant No. 17-72-30006).

Keywords

Fibre laser
nonlinear optics
solitons
ultrafast photonics

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Cite this

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Inverse design of mode-locked fiber laser by particle swarm optimization algorithm

Abstract

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Keywords

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