Stabilization of localized structures by inhomogeneous injection in Kerr resonators

Felix Tabbert, Tobias Frohoff-Hülsmann, Krassimir Panajotov, Mustapha Tlidi, and Svetlana V. Gurevich
Phys. Rev. A 100, 013818 – Published 12 July 2019

Abstract

We consider the formation of temporal localized structures or Kerr-comb generation in a microresonator with inhomogeneities. We show that the introduction of even a small inhomogeneity in the injected beam widens the stability region of localized solutions. The homoclinic snaking bifurcation associated with the formation of localized structures and clusters of them with decaying oscillatory tails is constructed. Furthermore, the inhomogeneity allows us to not only control the position of localized solutions, but strongly affects their stability domains. In particular, a new stability domain of a single peak localized structure appears outside of the region of multistability between multiple peaks of localized states. We identify a regime of larger detuning, where localized structures do not exhibit a snaking behavior. In this regime, the effect of inhomogeneities on localized solutions is far more complex: They can act either attracting or repelling. We identify the pitchfork bifurcation responsible for this transition. Finally, we use a potential well approach to determine the force exerted by the inhomogeneity and summarize with a full analysis of the parameter regime, where localized structures and therefore Kerr-comb generation exist, and analyze how this regime changes in the presence of an inhomogeneity.

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  • Received 7 January 2019

DOI:https://doi.org/10.1103/PhysRevA.100.013818

©2019 American Physical Society

Physics Subject Headings (PhySH)

Nonlinear DynamicsAtomic, Molecular & Optical

Authors & Affiliations

Felix Tabbert1,*, Tobias Frohoff-Hülsmann1, Krassimir Panajotov2,3, Mustapha Tlidi4, and Svetlana V. Gurevich1,5

  • 1Institute for Theoretical Physics, University of Münster, Wilhelm-Klemm-Str. 9, D-48149 Münster, Germany
  • 2Vrije Universiteit Brussel, Department of Applied Physics and Photonics, Pleinlaan 2, B-1050 Brussels, Belgium
  • 3Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria
  • 4Faculté des Sciences, Université Libre de Bruxelles, Campus Plaine, C.P. 231, Brussels B-1050, Belgium
  • 5Center for Nonlinear Science (CeNoS), University of Münster, Corrensstr. 2, D-48149 Münster, Germany

  • *felix.tabbert@uni-muenster.de

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Vol. 100, Iss. 1 — July 2019

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