http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182408
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
A. Salhi, L. Martiradonna, G. Visimberga, V. Tasco, L. Fortunato, M. T. Todaro, R. Cingolani, A. Passaseo, M. De Vittorio (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
- A. Salhi, L. Martiradonna, G. Visimberga, V. Tasco, L. Fortunato, M. T. Todaro, R. Cingolani, A. Passaseo, M. De Vittorio (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- National Nanotechnology Laboratory of CNR-INFM (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 ?m were fabricated and tested. A high modal gain of
41 cm?1 was obtained at room temperature corresponding to a
modal gain of ?6 cm?1 per QD layer, which is very promising to
enable the realization of 1.3-?m ultrashort cavity devices such as
vertical-cavity surface-emitting lasers. Ground state laser action
was achieved for a 360-?m-cavity length with as-cleaved facets.
The transparency current density per QD layer and internal
quantum efficiency were 13 A/cm2 and 67%, respectively. (literal)
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