Optical processes and electronic states in InGaAs/GaAs V-groove quantum wire lasers (Articolo in rivista)

Type
Label
  • Optical processes and electronic states in InGaAs/GaAs V-groove quantum wire lasers (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cingolani, R., Rinaldi, R., Devittorio, M., Passaseo, A., Degiorgi, M., Visconti, P., Turco, C. (1999)
    Optical processes and electronic states in InGaAs/GaAs V-groove quantum wire lasers
    in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cingolani, R., Rinaldi, R., Devittorio, M., Passaseo, A., Degiorgi, M., Visconti, P., Turco, C. (literal)
Pagina inizio
  • 1923 (literal)
Pagina fine
  • 1929 (literal)
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  • 55 (literal)
Rivista
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  • 10 (literal)
Note
  • Scopus (literal)
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  • Ist. Naz. Fis. Della Materia- U., Dipto. Ingegneria Dell' I., Lecce, Italy (literal)
Titolo
  • Optical processes and electronic states in InGaAs/GaAs V-groove quantum wire lasers (literal)
Abstract
  • We have fabricated InGaAs/GaAs V-shaped quantum wire lasers operating with threshold in the 100 A cm -2 range at low temperature. The investigation of the electroluminescence and lasing under electrical injection and in high magnetic field elucidates the fundamental physical properties of the device. In contrast to recent claims, the emission is found to originate from free-carrier recombination independent of temperature and injection density. No excitonic lasing is found, indicating that excitons are weakly bound in these wires due to the internal piezoelectric field causing strong Stark effect. (literal)
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