Journal
OPTICS EXPRESS
Volume 30, Issue 9, Pages 15648-15658Publisher
Optica Publishing Group
DOI: 10.1364/OE.456946
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Funding
- Indian Institute of Technology Ropar [9-230/2018/IITRPR/3255]
- Programme d'aide a l'Accueil en Urgence des Scientifiques en Exil (PAUSE)
- Agence Nationale de la Recherche [ANR-16-ASTR-0010-03]
- Agence Nationale de la Recherche (ANR) [ANR-16-ASTR-0010] Funding Source: Agence Nationale de la Recherche (ANR)
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This study numerically investigates the dynamical behavior of a one-dimensional ring array of lasers generated in a class-A degenerate cavity semiconductor laser. The results show that the class-A nature of the laser makes it more robust in generating topological charge carrying arrays of lasers.
The dynamical behavior of a one-dimensional ring array of lasers generated in a class-A degenerate cavity semiconductor laser is numerically investigated. The class-A behavior of the laser is obtained by considering a low-loss vertical external cavity surface emitting laser (VECSEL), in which a telescope and a mask allow us to control the geometry and the linear nearest-neighbour coupling between the lasers. The behavior of the lasers is simulated using coupled rate equations, taking the influence of the Henry factor into account. It is shown that the ring array of lasers exhibits multistability. Moreover, by comparison with a class-B semiconductor laser, it is proved that the class-A nature of the laser makes it more robust to the increase of the Henry factor when it comes to generating topological charge carrying arrays of lasers, thus opening new perspectives of application for such lasers. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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