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An Attachment-Independent Biochemical Timer of the Spindle Assembly Checkpoint.
The spindle assembly checkpoint (SAC) generates a diffusible protein complex that prevents anaphase until all chromosomes are properly attached to spindle microtubules. A key step in SAC initiationExpand
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Solitary and coupled semiconductor ring lasers as optical spiking neurons.
We theoretically investigate the possibility of generating pulses in an excitable (asymmetric) semiconductor ring laser (SRL) using optical trigger pulses. We show that the phase difference betweenExpand
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  • Open Access
Quadratic soliton combs in doubly resonant second-harmonic generation.
We report a theoretical investigation of quadratic frequency combs in a dispersive second-harmonic generation cavity system. We identify different dynamical regimes and demonstrate that the sameExpand
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  • Open Access
Positive Feedback Keeps Duration of Mitosis Temporally Insulated from Upstream Cell-Cycle Events
Summary Cell division is characterized by a sequence of events by which a cell gives rise to two daughter cells. Quantitative measurements of cell-cycle dynamics in single cells showed that despiteExpand
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Two-dimensional phase-space analysis and bifurcation study of the dynamical behaviour of a semiconductor ring laser
A basic rate equation model of a quantum-well semiconductor ring laser is reduced to two equations using asymptotic methods. The reduced model allows for analytical expressions of the bifurcationExpand
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  • Open Access
Dark solitons in the Lugiato-Lefever equation with normal dispersion
This research was supported by the Research Foundation–Flanders (FWO-Vlaanderen) (P.P. and L.G.), by the Junior Mobility Programme (JuMo) of the KU Leuven (L.G.), by the Belgian Science Policy OfficeExpand
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  • Open Access
Origin and stability of dark pulse Kerr combs in normal dispersion resonators.
We analyze dark pulse Kerr frequency combs in optical resonators with normal group-velocity dispersion using the Lugiato-Lefever model. We show that in the time domain the combs correspond toExpand
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  • Open Access
Effects of inhomogeneities and drift on the dynamics of temporal solitons in fiber cavities and microresonators.
In [Phys. Rev. Lett. 110, 064103 (2013)], using the Swift-Hohenberg equation, we introduced a mechanism that allows to generate oscillatory and excitable soliton dynamics. This mechanism was based onExpand
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  • Open Access
Coexistence of stable dark- and bright-soliton Kerr combs in normal-dispersion resonators
Using the Lugiato-Lefever model, we analyze the effects of third order chromatic dispersion on the existence and stability of dark and bright soliton Kerr frequency combs in the normal dispersionExpand
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  • Open Access
Dynamics of one-dimensional Kerr cavity solitons.
We present an experimental observation of an oscillating Kerr cavity soliton, i.e., a time-periodic oscillating one-dimensional temporally localized structure excited in a driven nonlinear fiberExpand
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