Defects and spacelike properties of delayed dynamical-systems
Anno: 1994
Autori: Giacomelli G., Meucci R., Politi A., Arecchi F.T.
Affiliazione autori: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
ITIS “Tullio Buzzi”, Prato, Italy;
INFN, Sezione di Firenze, Firenze, Italy;
Dipartimento di Fisica, Università di Firenze, Firenze, Italy
Abstract: In a laser with delayed feedback operating in an oscillatory regime, phase defects appear for delays longer than the oscillation period. These defects are visualized by rearranging the data in a two-dimensional representation. Two distinct disordered phases are observed, one of weak turbulence characterized by phase fluctuations, and one of highly developed turbulence characterized by a constant density of defects. The transition between the two regimes is analyzed by studying the dependence of the defect lifetime on the delay. The experimental findings are modeled via a generalized Landau equation which includes a delayed coupling.
Giornale/Rivista: PHYSICAL REVIEW LETTERS
Volume: 73 (8) Da Pagina: 1099 A: 1102
Parole chiavi: Chaotic attractors; FeedbackDOI: 10.1103/PhysRevLett.73.1099Citazioni: 87dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-05Riferimenti 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