Periodic orbits and synchronous chaos in lasers unidirectionally coupled via saturable absorbers
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- Doedel, E.J. & L., C.L. Eur. Phys. J. Spec. Top. (2017) 226: 467. doi:10.1140/epjst/e2016-60267-7
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We study a model for two unidirectionally coupled molecular lasers with a saturable absorber. Our numerical bifurcation study shows the existence of isolas of in-phase periodic solutions as physical parameters change. There are also other non-isola in-phase and intermediate-phase families of periodic oscillations. The coupling parameter strongly affects the stability of these periodic solutions. In this model the unstable periodic orbits belonging to the in-phase isolas constitute a skeleton of the attractor, when chaotic synchronization sets in for a set of physically relevant control parameters.