High-modal gain 1300-nm In(Ga)As-GaAs quantum-dot lasers (Articolo in rivista)

Type
Label
  • High-modal gain 1300-nm In(Ga)As-GaAs quantum-dot lasers (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Salhi, A; Martiradonna, L; Visimberga, G; Tasco, V; Fortunato, L; Todaro, MT; Cingolani, R; Passaseo, A; De Vittorio, M (2006)
    High-modal gain 1300-nm In(Ga)As-GaAs quantum-dot lasers
    in IEEE photonics technology letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salhi, A; Martiradonna, L; Visimberga, G; Tasco, V; Fortunato, L; Todaro, MT; Cingolani, R; Passaseo, A; De Vittorio, M (literal)
Pagina inizio
  • 1735 (literal)
Pagina fine
  • 1737 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 18 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, INFM, Natl Nanotechnol Lab, I-73100 Lecce, Italy; Univ Montpellier 2, CNRS, UMR 5507, Ctr Elect & Microoptoelect Montpellier, F-34095 Montpellier, France (literal)
Titolo
  • High-modal gain 1300-nm In(Ga)As-GaAs quantum-dot lasers (literal)
Abstract
  • A semiconductor laser containing seven InAs-In-GaAs stacked quantum-dot (QD) layers was grown by molecular beam epitaxy. Shallow mesa ridge-waveguide lasers with stripe width of 120 mu m were fabricated and tested. A high modal gain of 41 cm(-1) was obtained at room temperature corresponding to a modal gain of similar to 6 cm(-1) per QD layer, which is very promising to enable the realization of 1.3-mu m ultrashort cavity devices such as vertical-cavity surface-emitting lasers. Ground state laser action was achieved for a 360-mu m-cavity length with as-cleaved facets. The transparency current density per QD layer and internal quantum efficiency were 13 A/cm(2) and 67%, respectively. (literal)
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