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Characterizing the deterministic nature of individual power dropouts in semiconductor lasers subject to delayed feedback

AuthorsHicke, Konstantin ; Porte, Xavier ; Fischer, Ingo
Issue Date7-Nov-2013
PublisherAmerican Physical Society
CitationPhysical Review - Section E - Statistical Nonlinear and Soft Matter Physics 88(5): 052904 (2013)
AbstractWe implement a method to identify the deterministic nature of specific events in the dynamics of a semiconductor laser subject to time-delayed optical feedback. Specifically, we study the power dropouts in the low-frequency fluctuations regime on an individual event basis and identify whether the underlying dominant mechanism is deterministic. Our approach is based on sychronization with a twin system in a symmetric relay configuration. We investigate the dependence of the fraction of deterministically driven (i.e., synchronized) dropouts on the laser's pump current as a key parameter. Our experimental results are corroborated by numerical modeling based on rate equations. Our numerical findings also provide insights into the influence of spontaneous emission noise. © 2013 American Physical Society.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevE.88.052904
Identifiersdoi: 10.1103/PhysRevE.88.052904
issn: 1539-3755
e-issn: 1550-2376
Appears in Collections:(IFISC) Artículos
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