English
Related papers

Related papers: Origin, bifurcation structure and stability of loc…

200 papers

The origin, stability and bifurcation structure of different types of bright localized structures described by the Lugiato-Lefever equation is studied. This mean field model describes the nonlinear dynamics of light circulating in fiber…

Pattern Formation and Solitons · Physics 2018-04-11 P. Parra-Rivas , D. Gomila , L. Gelens , E. Knobloch

We study the stability and bifurcation structure of spatially extended patterns arising in nonlin- ear optical resonators with a Kerr-type nonlinearity and anomalous group velocity dispersion, as described by the Lugiato-Lefever equation.…

Pattern Formation and Solitons · Physics 2018-10-24 P. Parra-Rivas , D. Gomila , L. Gelens , E. Knobloch

The regions of existence and stability of dark solitons in the Lugiato-Lefever model with normal chromatic dispersion are described. These localized states are shown to be organized in a bifurcation structure known as collapsed snaking…

Pattern Formation and Solitons · Physics 2016-06-29 Pedro Parra-Rivas , Edgar Knobloch , Damia Gomila , Lendert Gelens

We theoretically investigate the dynamics, bifurcation structure and stability of dark localized states emerging in Kerr cavities in the presence of second- and fourth-order dispersion. These states form through the locking of uniform wave…

Pattern Formation and Solitons · Physics 2023-07-19 Edem Kossi Akakpo , Marc Haelterman , Francois Leo , Pedro Parra-Rivas

We investigate the formation of dark vector localized structures in the presence of nonlinear polarization mode coupling in optical resonators subject to a coherent optical injection in the normal dispersion regime. This simple device is…

Pattern Formation and Solitons · Physics 2021-12-08 B. Kostet , Y. Soupart , K. Panajotov , M. Tlidi

We present a stability analysis of the Lugiato-Lefever model for Kerr optical frequency combs in whispering gallery mode resonators pumped in the anomalous dispersion regime. This article is the second part of a research work whose first…

Pattern Formation and Solitons · Physics 2013-08-13 Irina Balakireva , Aurélien Coillet , Cyril Godey , Yanne K. Chembo

It has been recently uncovered that coherent structures in microresonators such as cavity solitons and patterns are intimately related to Kerr frequency combs. In this work, we present a general analysis of the regions of existence and…

Optics · Physics 2014-05-28 P. Parra-Rivas , D. Gomila , M. A. Matias , S. Coen , L. Gelens

In this work we characterize the dynamical instabilities of localized structures exhibited by a recently introduced Gelens et al., Phys. Rev. A 75, 063812 2007 generalization of the Lugiato-Lefever model that includes a weakly nonlocal…

Pattern Formation and Solitons · Physics 2008-10-22 Lendert Gelens , Damia Gomila , Guy Van der Sande , Jan Danckaert , Pere Colet , Manuel A. Matias

The Lugiato-Lefever equation is a cubic nonlinear Schr\"odinger equation, including damping, detuning and driving, which arises as a model in nonlinear optics. We study the existence of stationary waves which are found as solutions of a…

Analysis of PDEs · Mathematics 2017-08-02 Cyril Godey

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…

Pattern Formation and Solitons · Physics 2019-07-17 Felix Tabbert , Tobias Frohoff-Hülsmann , Krassimir Panajotov , Mustapha Tlidi , Svetlana V. Gurevich

We investigate time-independent solutions of a discrete optical cavity model featuring saturable Kerr nonlinearity, a discrete version of the Lugiato-Lefever equation. This model supports continuous wave (uniform) and localized (discrete…

Pattern Formation and Solitons · Physics 2025-01-29 R. Kusdiantara , H. Susanto , A. R. Champneys

We study temporally localized structures in doubly resonant degenerate optical parametric oscillators in the absence of temporal walk-off. We focus on states formed through the locking of domain walls between the zero and a non-zero…

Pattern Formation and Solitons · Physics 2021-02-26 P. Parra-Rivas , L. Gelens , F. Leo

We study the formation of localized patterns arising in doubly resonant dispersive optical parametric oscillators. They form through the locking of fronts connecting a continuous-wave and a Turing pattern state. This type of localized…

Pattern Formation and Solitons · Physics 2020-07-01 P. Parra-Rivas , C. Mas-Arabí , F. Leo

We study the emergence of dissipative localized states in phase mismatched singly resonant optical parametric oscillators. These states arise in two different bistable configurations due to the locking of fronts waves connecting the two…

Pattern Formation and Solitons · Physics 2021-08-03 P. Parra-Rivas , C. Mas Arabí , F. Leo

We theoretically investigate the dynamics, bifurcation structure and stability of localized states in Kerr cavities driven at the pure fourth-order dispersion point. Both the normal and anomalous group velocity dispersion regimes are…

Many engineering structures are composed of weakly coupled sectors assembled in a cyclic and ideally symmetric configuration, which can be simplified as forced Duffing oscillators. In this paper, we study the emergence of localized states…

Pattern Formation and Solitons · Physics 2018-11-14 A. Papangelo , F. Fontanela , A. Grolet , M. Ciavarella , N. Hoffmann

Two-dimensional spatially localized structures in the complex Ginzburg-Landau equation with 1:1 resonance are studied near the simultaneous occurrence of a steady front between two spatially homogeneous equilibria and a supercritical Turing…

Pattern Formation and Solitons · Physics 2016-12-21 Y. -P. Ma , E. Knobloch

Localized planar patterns in spatially extended bistable systems are known to exist along intricate bifurcation diagrams, which are commonly referred to as snaking curves. Their analysis is challenging as techniques such as spatial dynamics…

Dynamical Systems · Mathematics 2022-03-23 Jason J. Bramburger , Bjorn Sandstede

Lugiato-Lefever (LL) equations in one and two dimensions (1D and 2D) accurately describe the dynamics of optical fields in pumped lossy cavities with the intrinsic Kerr nonlinearity. The external pump is usually assumed to be uniform, but…

Optics · Physics 2018-01-19 Wesley B. Cardoso , Luca Salasnich , Boris A. Malomed

We study the stabilization of localized structures by discreteness in one-dimensional lattices of diffusively coupled nonlinear sites. We find that in an external driving field these structures may lose their stability by either relaxing to…

patt-sol · Physics 2007-05-23 Igor Mitkov , Konstantin Kladko , A. R. Bishop
‹ Prev 1 2 3 10 Next ›