Fast and slow optical rogue waves in the fiber laser

We reported an experimental study on fast and slow temporal scaling of rogue waves’ emergence in a long (615 m) ring cavity erbium-doped fiber laser. The criterion for distinguishing between the fast and slow rogue waves is a comparison of the event lifetime with the system’s main characteristic tim...

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Bibliographic Details
Published in:Frontiers in physics 2022-11, Vol.10
Main Authors: Kbashi, Hani J., Kolpakov, S. A., Sergeyev, Sergey V.
Format: Article
Language:English
Subjects:
autocorrelation function
fiber birefringence
fiber laser
rogue wave (RW)
soliton rain
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Summary:We reported an experimental study on fast and slow temporal scaling of rogue waves’ emergence in a long (615 m) ring cavity erbium-doped fiber laser. The criterion for distinguishing between the fast and slow rogue waves is a comparison of the event lifetime with the system’s main characteristic time estimated from the decay of an autocorrelation function (AF). Thus, compared with the AF characteristic time, fast optical rogue wave (FORW) events have lifetime duration shorter than the AF decay time, and they appeared due to the mechanism of the pulse-to-pulse interaction and nonlinear pulse dynamics. In contrast, a slow optical rogue wave (SORW) has lifetime duration much longer than the decay time of the AF, which results from the hopping between different attractors. Switching between regimes can be managed by adjusting the in-cavity birefringence.
ISSN:2296-424X
2296-424X
DOI:10.3389/fphy.2022.1048508