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JETP Letters

, Volume 110, Issue 5, pp 364–369 | Cite as

Generation of Dark Multisoliton Complexes in a Magnonic Ring Resonator with Dispersion Management and Competing Nonlinear Spin-Wave Interactions

  • A. S. BirEmail author
  • S. V. GrishinEmail author
Condensed Matter
  • 3 Downloads

Abstract

Multisoliton complexes have been generated in an active ring resonator with an L-shaped magnonic microwaveguide and a saturated amplifier. It has been shown that an irregular microwaveguide simultaneously supports both the propagation of magnetostatic spin waves with different (normal and anomalous) dispersion and competition between three- and four-wave spin-wave interactions. Generated multisoliton complexes consist of quasiperiodic sequences of two dark parametric pulses containing “soliton trains” consisting of three dark ultrashort four-wave envelope solitons. It has been found that quasiperiodic sequences of multisoliton complexes generated by the active ring resonator with a regular magnonic microwaveguide consist of one dark parametric pulse, which also contains three dark four-wave solitons. However, in contrast to the preceding case, four-wave solitons, having a longer duration, do not form soliton trains inside a dark parametric pulse.

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Notes

Funding

This work was supported by the Russian Science Foundation (project no. 19-79-20121).

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Copyright information

© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  1. 1.National Research Saratov State UniversitySaratovRussia

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