Optical rogue waves in coupled fiber Raman lasers

Abstract

For coupled linear cavity-random fiber Raman lasers, for the first time, to the best of our knowledge, we demonstrate a new mechanism of emergence of the random pulses, with the anomalous statistics satisfying optical rogue waves’ criteria experimentally. The rogue waves appear as a result of the coupling of two Raman cascades, namely, a linear cavity laser with a wavelength of 1.55 µm and a random laser with a wavelength nearly 1.67 µm, along with coupling of the orthogonal states of polarization (SOPs). The coherent coupling of SOPs causes localization of the trajectories in the vicinity of these states, whereas polarization instability drives escape taking the form of chaotic oscillations. Antiphase dynamics in two cascades result in the suppression of low amplitude chaotic oscillations and enable the anomalous spikes, satisfying rogue waves criteria.

Publication DOI: https://doi.org/10.1364/OL.398493
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences
Additional Information: This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://doi.org/10.1364/OL.398493. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. Funding: FP7-PEOPLE-2012-IAPP (GRIFFON 324391); Leverhulme Trust (RPG-2014-304); Swedish Research Council (2019-05197, 2016-04510); Centre for Software-Defined Optical Networks, Swedish Innovation Agency (VINNOVA) (2017-01559).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Publication ISSN: 1539-4794
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... i=ol-45-17-4726 (Publisher URL)
PURE Output Type: Article
Published Date: 2020-08-21
Accepted Date: 2020-07-18
Authors: Kolpakov, S.
Sergeyev, S. V. (ORCID Profile 0000-0002-1515-5019)
Udalcovs, A.
Pang, X.
Ozolins, O.
Schatz, R.
Popov, S.

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