Optical turbulence and spectral condensate in long fibre lasers


We study numerically optical turbulence using the particular example of a recently created, ultra-long fibre laser. For normal fibre dispersion, we observed an intermediate state with an extremely narrow spectrum (condensate), which experiences instability and a sharp transition to a fluctuating regime with a wider spectrum. We demonstrate that the number of modes has an impact on the condensate’s lifetime. The smaller the number of modes, the more resistant is the condensate to perturbations. Experimental results show a good agreement with numerical simulations.

Publication DOI: https://doi.org/10.1098/rspa.2012.0037
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences > Systems analytics research institute (SARI)
Additional Information: © 2012 The Royal Society This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Uncontrolled Keywords: optical turbulence,Raman fibre lasers,nonlinear optics,spectral condensate,Mathematics(all),Engineering(all),Physics and Astronomy(all)
Publication ISSN: 1471-2946
Last Modified: 03 Jan 2024 17:29
Date Deposited: 22 Jul 2013 14:42
Full Text Link: http://rspa.roy ... t/468/2145/2496
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2012-09-08
Published Online Date: 2012-05-02
Authors: Turitsyna, Elena (ORCID Profile 0000-0003-1756-362X)
Falkovich, Gregory
El-Taher, Atalla
Shu, Xuewen
Harper, Paul (ORCID Profile 0000-0002-9495-9911)
Turitsyn, Sergei (ORCID Profile 0000-0003-0101-3834)



Version: Published Version

License: Creative Commons Attribution

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