Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator

Garbin, Bruno and Wang, Yadong and Murdoch, Stuart G. and Oppo, Gian-Luca and Coen, Stéphane and Erkintalo, Miro (2017) Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 71 (9). ISSN 1434-6060

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    Abstract

    Optical frequency combs generated in normally dispersive Kerr microresonators have been observed to correspond to dark temporal structures, and theoretically explained as interlocked switching waves (also known as domain walls or fronts). The time-domain dynamics that underpin the formation of this type of frequency combs has however so far eluded direct experimental observation. Here we use a closely related system – a synchronously driven optical fibre ring resonator – to experimentally study the dynamics of deterministically excited switching waves. We measure the switching wave velocities across broad parameter regions, and observe clear signatures of interlocking behaviour leading to the formation of persisting dark pulses. Our experimental findings are in good agreement with simulations of the mean-field Lugiato-Lefever equation, and strongly support the nature of normal-dispersion microresonator frequency combs suggested in the literature.

    Author(s):Garbin, Bruno, Wang, Yadong, Murdoch, Stuart G., Oppo, Gian-Luca ORCID logoORCID: https://orcid.org/0000-0002-5376-4309, Coen, Stéphane and Erkintalo, Miro
    Item type:Article
    ID code:62452
    Notes:The final publication is available at Springer via http://dx.doi.org/10.1140/epjd/e2017-80133-7
    Keywords:switching waeforms, dark pulses, Lugiato-Lefever equation, Physics, Physics and Astronomy(all)
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:28 Nov 2017 12:14
    Last modified:10 Dec 2019 10:14
    URI:https://strathprints.strath.ac.uk/id/eprint/62452
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