Andronov bifurcation and excitability in semiconductor lasers with optical feedback
Anno: 1997
Autori: Giudici M., Green C., Giacomelli G., Nespolo U., Tredicce J.
Affiliazione autori: Institut Non Lineaire de Nice, Universite´ de Nice-Sophia-Antipolis, CNRS UMR, 06560 Valbonne, France;
Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Abstract: We experimentally investigate the dynamical behavior of a semiconductor laser with optical feedback. We show that noise plays an important role close to the instability threshold, while determinism controls the so-called coherence collapse regime. We identify the bifurcation which is at the origin of the low frequency fluctuations. It is the result of a collision between a stable fixed point and a saddle point ~Andronov’s bifurcation!. We provide experimental proof that the laser with optical feedback behaves as an excitable medium.
Giornale/Rivista: PHYSICAL REVIEW E
Volume: 55 (6) Da Pagina: 6414 A: 6418
Parole chiavi: Andronov bifurcationDOI: 10.1103/PhysRevE.55.6414Citazioni: 153dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-12Riferimenti tratti da Isi Web of Knowledge: (solo abbonati) Link per visualizzare la scheda su IsiWeb: Clicca quiLink per visualizzare la citazioni su IsiWeb: Clicca qui