Ultrafast resonant optical switching in isolated polyfluorenes chains (Articolo in rivista)

Type
Label
  • Ultrafast resonant optical switching in isolated polyfluorenes chains (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1879085 (literal)
Alternative label
  • Tersilla Virgili (1) ; Daniele Marinotto(1) ; Guglielmo Lanzani(1) ; Donal D.C.Bradley(2); (2005)
    Ultrafast resonant optical switching in isolated polyfluorenes chains
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tersilla Virgili (1) ; Daniele Marinotto(1) ; Guglielmo Lanzani(1) ; Donal D.C.Bradley(2); (literal)
Pagina inizio
  • 091113 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://apl.aip.org/resource/1/applab/v86/i9/p091113_s1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica-INFM, IFN-CNR, Politecnico di Milano, P.zza L.Da Vinci 32, I-20133 Milan, Italy (2) Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Expt Solid State Grp, London SW7 2BW, England (literal)
Titolo
  • Ultrafast resonant optical switching in isolated polyfluorenes chains (literal)
Abstract
  • Using ultrafast spectroscopy, we report evidence of monodimensional photophysics coming fromisolated chains of poly(9,9-dioctylfluorene) dispersed in a polymethylmethacrylate matrix. Weidentify intrachain charge carriers dynamics, the decay taking place in about 1 ps. Using athree-pulse experiment we bring evidence for charges generation from higher lying states and wereport an ultrafast optical gain switching in the stimulated emission region over a broad wavelengthrange saround 100 nmd. Our experiments suggest that the expected maximum rate of on–offswitching in such a molecular device can be as high as 300 GHz. (literal)
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