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SM ISO690:2012 ANDRONIC, Silvia, GRIGORIEV, Eugeniu, TRONCIU, Vasile. Generation of high amplitudes pulses with excitable DFB lasers and an integrated dispersive reflector. In: Journal of Engineering Sciences, 2022, vol. 29, nr. 1, pp. 17-22. ISSN 2587-3474. DOI: https://doi.org/10.52326/jes.utm.2022.29(1).02 |
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Journal of Engineering Sciences | |||||
Volumul 29, Numărul 1 / 2022 / ISSN 2587-3474 /ISSNe 2587-3482 | |||||
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DOI: https://doi.org/10.52326/jes.utm.2022.29(1).02 | |||||
CZU: 621.375.826 | |||||
Pag. 17-22 | |||||
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This paper is devoted to investigation of pulse generation by a distributed feedback (DFB) laser with an integrated passive dispersive reflector. This configuration is treated in the framework of the simple rate equation model for dimensionless carrier and photon numbers. The two functions describe the influence of reflector on the laser dynamics. The theoretical results show that under certain condition the laser is operating in excitable regime suitable for pulse generation. We have identified the appropriate values of parameters for pulse generation. We apply small perturbation to the system in order to generate periodic pulses. Finally, the influence of these parameters on shape of pulses is investigated. |
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Cuvinte-cheie DFB laser, passive dispersive reflector, excitability, pulse generation, laser DFB, reflector dispersiv pasiv, excitabilitate, generarea impulsului. |
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