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Stochasticity, periodicity and localized light structures in partially mode-locked fibre lasers

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  • D. V. Churkin

    (Aston Institute of Photonic Technologies, Aston University
    Novosibirsk State University
    Institute of Automation and Electrometry SB RAS)

  • S. Sugavanam

    (Aston Institute of Photonic Technologies, Aston University)

  • N. Tarasov

    (Aston Institute of Photonic Technologies, Aston University
    Institute of Computational Technologies SB RAS)

  • S. Khorev

    (Novosibirsk State University
    Zecotek Photonics, Inc.)

  • S. V. Smirnov

    (Novosibirsk State University)

  • S. M. Kobtsev

    (Novosibirsk State University)

  • S. K. Turitsyn

    (Aston Institute of Photonic Technologies, Aston University
    Novosibirsk State University)

Abstract

Physical systems with co-existence and interplay of processes featuring distinct spatio-temporal scales are found in various research areas ranging from studies of brain activity to astrophysics. The complexity of such systems makes their theoretical and experimental analysis technically and conceptually challenging. Here, we discovered that while radiation of partially mode-locked fibre lasers is stochastic and intermittent on a short time scale, it exhibits non-trivial periodicity and long-scale correlations over slow evolution from one round-trip to another. A new technique for evolution mapping of intensity autocorrelation function has enabled us to reveal a variety of localized spatio-temporal structures and to experimentally study their symbiotic co-existence with stochastic radiation. Real-time characterization of dynamical spatio-temporal regimes of laser operation is set to bring new insights into rich underlying nonlinear physics of practical active- and passive-cavity photonic systems.

Suggested Citation

  • D. V. Churkin & S. Sugavanam & N. Tarasov & S. Khorev & S. V. Smirnov & S. M. Kobtsev & S. K. Turitsyn, 2015. "Stochasticity, periodicity and localized light structures in partially mode-locked fibre lasers," Nature Communications, Nature, vol. 6(1), pages 1-6, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8004
    DOI: 10.1038/ncomms8004
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    Cited by:

    1. Yan, Dan & Li, Xingliang & Han, Mengmeng & Zhang, Shumin & Wang, Chaoran & Li, Huijie, 2023. "Routes from stationary dissipative solitons to chaos in a Mamyshev oscillator," Chaos, Solitons & Fractals, Elsevier, vol. 177(C).

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