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<cfTitle cfLangCode='EN' cfTrans='o'>Quantum dots lasers dynamics under the influence of double cavity external feedback</cfTitle>
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<cfAbstr cfLangCode='EN' cfTrans='o'><p>This paper reports results on investigations of the dynamical behavior of a semiconductor laser with quantum dots active medium under the influence of a feedback from double external cavity. This configuration is treated in the framework of Lang-Kobayashi equations. The locus of external cavity modes is found to be elliptic, as in case of conventional optical feedback, but also represents different shapes, even with possible satellite bubbles. A bifurcation analysis is carried out revealing the points of saddle-node and Hopf bifurcations. Finally, the nature of bifurcations and the stability of steady state solutions are analyzed in dependence on different parameters.</p></cfAbstr>
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