Experimental and theoretical investigation of statistical regimes in random laser emission (Articolo in rivista)

Type
Label
  • Experimental and theoretical investigation of statistical regimes in random laser emission (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.88.033820 (literal)
Alternative label
  • Emilio Ignesti (1); Federico Tommasi (1); Lorenzo Fini (1,2); Stefano Lepri (3); Vivekananthan Radhalakshmi (2); Diederik Wiersma (2,4); Stefano Cavalieri (1,2) (2013)
    Experimental and theoretical investigation of statistical regimes in random laser emission
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Emilio Ignesti (1); Federico Tommasi (1); Lorenzo Fini (1,2); Stefano Lepri (3); Vivekananthan Radhalakshmi (2); Diederik Wiersma (2,4); Stefano Cavalieri (1,2) (literal)
Pagina inizio
  • art_n_033820 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pra.aps.org/abstract/PRA/v88/i3/e033820 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 88 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica e Astronomia, Università di Firenze, Via Giovanni Sansone 1, I-50019 Sesto Fiorentino, Italy (2) European Laboratory for Nonlinear Spectroscopy (LENS), Università di Firenze, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy (3) Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy (4) INO-CNR, Largo Fermi 6, I-50125 Firenze, Italy (literal)
Titolo
  • Experimental and theoretical investigation of statistical regimes in random laser emission (literal)
Abstract
  • We present a theoretical and experimental study aimed at characterizing statistical regimes in a random laser. Both the theoretical simulations and the experimental results show the possibility of three regions of fluctuations increasing the pumping energy. An initial Gaussian regime is followed by Lévy statistics, and Gaussian statistics is recovered again for high pump pulse energy.These different statistical regimes are possible in a weakly diffusive active medium, while the region of Lévy statistics disappears when the medium is strongly diffusive presenting always a Gaussian regime with smooth emission spectrum. Experiments and theory agree in identification of the key parameters determining the statistical regimes of the random laser. (literal)
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