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Titolo:
Stabilization of feedback-induced instabilities in semiconductor lasers
Autore:
Heil, T; Fischer, I; Elsasser, W;
Indirizzi:
Darmstadt Univ Technol, Inst Appl Phys, D-64289 Darmstadt, Germany Darmstadt Univ Technol Darmstadt Germany D-64289 4289 Darmstadt, Germany
Titolo Testata:
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
fascicolo: 3, volume: 2, anno: 2000,
pagine: 413 - 420
SICI:
1464-4266(200006)2:3<413:SOFIIS>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
LOW-FREQUENCY FLUCTUATIONS; EXTERNAL OPTICAL FEEDBACK; LINEWIDTH BROADENING FACTOR; POWER-DROPOUT EVENTS; COHERENCE COLLAPSE; DISTANT REFLECTORS; CHAOTIC ITINERANCY; INJECTION-LASERS; DIODE-LASERS; GAIN MODE;
Keywords:
semiconductor lasers; nonlinear dynamics;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Heil, T Darmstadt Univ Technol, Inst Appl Phys, Schlossgartenstr 7, D-64289 Darmstadt, Germany Darmstadt Univ Technol Schlossgartenstr 7 Darmstadt Germany D-64289
Citazione:
T. Heil et al., "Stabilization of feedback-induced instabilities in semiconductor lasers", J OPT B-QUA, 2(3), 2000, pp. 413-420

Abstract

We present extensive studies on feedback-induced instabilities in semiconductor lasers (SLs) subject to delayed optical feedback. We demonstrate thata sufficient reduction of the linewidth enhancement factor a changes the dynamical structure of the system such that permanent emission in a stable emission state is achieved. This behaviour can be well understood on the basis of the Lang-Kobayashi rate equation model. WE:give first experimental evidence for its major theoretical predictions concerning the stable emissionstate and investigate the robustness of this stable state against externalperturbations. We demonstrate that noise-induced escape from the basin of attraction of the stable state shows similarities to the classical problem of thermally induced escape from a potential well. Thus, we have developed and realized experimentally an efficient concept to avoid and stabilize feedback-induced instabilities in SLs.

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Documento generato il 20/09/20 alle ore 07:41:54