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Ultima descărcare din IBN: 2024-02-05 15:20 |
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621.373.826 (5) |
Electrotehnică (1146) |
SM ISO690:2012 DOBROVOLSCHI, Veronica, PYRTSAC, Constantin, TRONCIU, Vasile. The influences of the asymmetric gain saturation effect on the dynamics of InGaAsP fabry-perot lasers. In: Journal of Engineering Sciences, 2021, vol. 28, nr. 1, pp. 61-66. ISSN 2587-3474. DOI: https://doi.org/10.52326/jes.utm.2021.28(1).05 |
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Journal of Engineering Sciences | |||||
Volumul 28, Numărul 1 / 2021 / ISSN 2587-3474 /ISSNe 2587-3482 | |||||
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DOI: https://doi.org/10.52326/jes.utm.2021.28(1).05 | |||||
CZU: 621.373.826 | |||||
Pag. 61-66 | |||||
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This paper reports on the influence of the asymmetric gain saturation on the dynamics of InGaAsP Fabry-Perot lasers. The results are obtained by numerical simulations of multimode rate equations. The gain saturation effects that results in competition phenomena among lasing modes are investigated. A hopping multimode case is examined in detail. With means of the bifurcation analysis the regions with instabilities in the evolution of the mode intensities have been found. The following operation in the plane of two parameters are obtained: stable single mode, stable multimode, bistabile, and multimode hopping. The pulse traces of amplitudes of modes are plotted to illustrate the observed behaviors. Finally, the influence of linewidth enhancement Henry factor on the laser behavior is investigated. |
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Cuvinte-cheie Mode hopping, InGaAsP lasers, multimode operation, Henry factor, Mod salt, lasere InGaAsP, operare multimod, factorul Henry |
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