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Role of dynamical injection locking and characteristic pulse events for low frequency fluctuations in semiconductor lasers

  • We investigate the dynamics of semiconductor lasers subject to time-delayed optical Feedback from the perspective of dynamical self-injection locking. Based on the Lang-Kobayashi model, we perform an analysis of the well-known Low Frequency Fluctuations (LFFs) in the frequency-intensity plane. Moreover, we investigate a recently found dynamical regime of fragmented LFFs by means of a locking-range analysis, spectral comparison and precursor pulse identification. We show that LFF dynamics can be explained by dynamical optical injection locking due to the delayed optical feedback. Moreover, the fragmented LFFs occur due to a re-injection locking induced by a particular optical pulse structure in the chaotic feedback dynamics. This is corrobo-rated by experiments with a semiconductor laser experiencing delayed feedback from an optical fiber loop. The dynamical nature of the feedback injection results in an eventual loss, but also possible regaining, of the locking, explaining the recentlyWe investigate the dynamics of semiconductor lasers subject to time-delayed optical Feedback from the perspective of dynamical self-injection locking. Based on the Lang-Kobayashi model, we perform an analysis of the well-known Low Frequency Fluctuations (LFFs) in the frequency-intensity plane. Moreover, we investigate a recently found dynamical regime of fragmented LFFs by means of a locking-range analysis, spectral comparison and precursor pulse identification. We show that LFF dynamics can be explained by dynamical optical injection locking due to the delayed optical feedback. Moreover, the fragmented LFFs occur due to a re-injection locking induced by a particular optical pulse structure in the chaotic feedback dynamics. This is corrobo-rated by experiments with a semiconductor laser experiencing delayed feedback from an optical fiber loop. The dynamical nature of the feedback injection results in an eventual loss, but also possible regaining, of the locking, explaining the recently observed phenomenon of fragmented LFFs.zeige mehrzeige weniger

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Metadaten
Autor*innen:Konstantin HickeORCiD, D. Brunner, M. C. Soriano, I. Fischer
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Chaos
Jahr der Erstveröffentlichung:2017
Verlag:American Institute of Physics
Jahrgang/Band:27
Ausgabe/Heft:11
Erste Seite:114307, 1
Letzte Seite:114307,10
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Angewandte Physik
Freie Schlagwörter:Delayed optical feedback; Emission spectra; Injection locking; Laser dynamics; Nonlinear dynamics
DOI:10.1063/1.5006945
ISSN:1054-1500
ISSN:1089-7682
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:16.10.2017
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:15.12.2017
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