Experimental observation of symmetry-breaking nonlinear modes in an active ring

S.O. Demokritov, A.A. Serga, V.E. Demidov, B. Hillebrands, Mikhail Kostylev, B.A. Kalinikos

    Research output: Contribution to journalArticle

    77 Citations (Scopus)

    Abstract

    Solitons are large-amplitude, spatially confined wave packets in nonlinear media. They occur in a wide range of physical systems, such as water surfaces, optical fibres, plasmas, Bose-Einstein condensates and magnetically ordered media(1,2). A distinguishing feature of soliton behaviour that is common to all systems, is that they propagate without a change in shape owing to the stabilizing effect of the particular nonlinearity involved(1,3). When the propagation path is closed, modes consisting of one or several solitons may rotate around the ring, the topology of which imposes additional constraints on their allowed frequencies and phases(4,5). Here we measure the mode spectrum of spin-wave solitons in a nonlinear active ring constructed from a magnetic ferrite film. Several unusual symmetry-breaking soliton-like modes are found, such as 'Mobius' solitons, which break the fundamental symmetry of 2pi-periodicity in the phase change acquired per loop: a Mobius soliton needs to travel twice around the ring to meet the initial phase condition.
    Original languageEnglish
    Pages (from-to)159-162
    JournalNature
    Volume426
    Issue number6963
    DOIs
    Publication statusPublished - 2003

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    Solitons
    Wave packets
    Spin waves
    Ferrite
    Optical fibers
    Topology
    Plasmas
    Water

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    Demokritov, S. O., Serga, A. A., Demidov, V. E., Hillebrands, B., Kostylev, M., & Kalinikos, B. A. (2003). Experimental observation of symmetry-breaking nonlinear modes in an active ring. Nature, 426(6963), 159-162. https://doi.org/10.1038/nature02042
    Demokritov, S.O. ; Serga, A.A. ; Demidov, V.E. ; Hillebrands, B. ; Kostylev, Mikhail ; Kalinikos, B.A. / Experimental observation of symmetry-breaking nonlinear modes in an active ring. In: Nature. 2003 ; Vol. 426, No. 6963. pp. 159-162.
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    abstract = "Solitons are large-amplitude, spatially confined wave packets in nonlinear media. They occur in a wide range of physical systems, such as water surfaces, optical fibres, plasmas, Bose-Einstein condensates and magnetically ordered media(1,2). A distinguishing feature of soliton behaviour that is common to all systems, is that they propagate without a change in shape owing to the stabilizing effect of the particular nonlinearity involved(1,3). When the propagation path is closed, modes consisting of one or several solitons may rotate around the ring, the topology of which imposes additional constraints on their allowed frequencies and phases(4,5). Here we measure the mode spectrum of spin-wave solitons in a nonlinear active ring constructed from a magnetic ferrite film. Several unusual symmetry-breaking soliton-like modes are found, such as 'Mobius' solitons, which break the fundamental symmetry of 2pi-periodicity in the phase change acquired per loop: a Mobius soliton needs to travel twice around the ring to meet the initial phase condition.",
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    Demokritov, SO, Serga, AA, Demidov, VE, Hillebrands, B, Kostylev, M & Kalinikos, BA 2003, 'Experimental observation of symmetry-breaking nonlinear modes in an active ring' Nature, vol. 426, no. 6963, pp. 159-162. https://doi.org/10.1038/nature02042

    Experimental observation of symmetry-breaking nonlinear modes in an active ring. / Demokritov, S.O.; Serga, A.A.; Demidov, V.E.; Hillebrands, B.; Kostylev, Mikhail; Kalinikos, B.A.

    In: Nature, Vol. 426, No. 6963, 2003, p. 159-162.

    Research output: Contribution to journalArticle

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    AU - Demokritov, S.O.

    AU - Serga, A.A.

    AU - Demidov, V.E.

    AU - Hillebrands, B.

    AU - Kostylev, Mikhail

    AU - Kalinikos, B.A.

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    AB - Solitons are large-amplitude, spatially confined wave packets in nonlinear media. They occur in a wide range of physical systems, such as water surfaces, optical fibres, plasmas, Bose-Einstein condensates and magnetically ordered media(1,2). A distinguishing feature of soliton behaviour that is common to all systems, is that they propagate without a change in shape owing to the stabilizing effect of the particular nonlinearity involved(1,3). When the propagation path is closed, modes consisting of one or several solitons may rotate around the ring, the topology of which imposes additional constraints on their allowed frequencies and phases(4,5). Here we measure the mode spectrum of spin-wave solitons in a nonlinear active ring constructed from a magnetic ferrite film. Several unusual symmetry-breaking soliton-like modes are found, such as 'Mobius' solitons, which break the fundamental symmetry of 2pi-periodicity in the phase change acquired per loop: a Mobius soliton needs to travel twice around the ring to meet the initial phase condition.

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    Demokritov SO, Serga AA, Demidov VE, Hillebrands B, Kostylev M, Kalinikos BA. Experimental observation of symmetry-breaking nonlinear modes in an active ring. Nature. 2003;426(6963):159-162. https://doi.org/10.1038/nature02042