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 SM ISO690:2012TRONCIU, Vasile, WUNSCHE, Hans Jurgen, SCHNEIDER, Klaus R., RADZIUNAS, Mindaugas. Excitability of lasers with integrated dispersive reflector. In: Proceedings of SPIE - The International Society for Optical Engineering, Ed. 9, 22-26 ianuarie 2001, San Jose, California. Bellingham, Washington: SPIE, 2001, Vol.4283, Issue 1, pp. 347-354. ISSN 0277-786X. DOI: https://doi.org/10.1117/12.432584 |
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 Proceedings of SPIE - The International Society for Optical Engineering Vol.4283, Issue 1, 2001 |
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Conferința "Physics and Simulation of Optoelectronic Devices" 9, San Jose, California, Statele Unite ale Americii, 22-26 ianuarie 2001 | ||||||
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| DOI:https://doi.org/10.1117/12.432584 | ||||||
| Pag. 347-354 | ||||||
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This paper is concerned with the phenomenon of excitability in semiconductor lasers consisting of a DFB section and a passive dispersive reflector (PDR). We assume that the PDR section contains a Bragg grating and (or) a passive Fabry Perot filter guaranteeing a dispersive reflection of the optical field. We investigate a single mode model for PDR lasers and derive conditions under which excitable behaviour can be demonstrated. Especially, we show the existence of a threshold, that is, only perturbations above the threshold imply a large excursion from the steady state, and where the response is almost independent of the strength of the perturbation; moreover we establish the existence of a refractory period, i.e., if a second perturbation is applied before the refractory time has passed, then the system does not respond |
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| Cuvinte-cheie Dispersive reflector, excitability, Optical feedback, Semiconductor laser |
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