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Synchronization and clustering in a multimode quantum dot laser

par Tanguy, Y.;Houlihan, John;Huyet, Guillaume;Viktorov, Evgeny ;Mandel, Paul
Référence Physical Review Letters, 96, 053902
Publication Publié, 2006

Article révisé par les pairs

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Résumé :

We analyze experimentally the intensity oscillations of the longitudinal modes of quantum dot semiconductor lasers. We show that the modal intensities can oscillate chaotically with different average frequencies, but obey a highly organized antiphase dynamics leading to a constant total output power. The fluctuations are in the MHz range. We report the first experimental observation of frequency clustering associated with synchronization. We also observe the propagation of perturbations across the optical spectrum from blue to red.