Abstract
This paper presents the lasing properties of InAs/GaAs quantum dot (QD) lasers with InGaP cladding layers grown by solid-source molecular beam epitaxy. These Al-free lasers exhibit a threshold current density of 138 A/cm2, an internal loss of 1.35 cm-1 and an internal quantum efficiency of 31 % at room temperature. At low temperature, a very high characteristic temperature of 425 K and very low threshold current density of 30 A/cm2 are measured.
| Original language | English |
|---|---|
| Pages | 87-90 |
| Number of pages | 4 |
| State | Published - 2001 |
| Event | 2001 International Conference on Indium Phosphide and Related Materials - Nara, Japan Duration: 14 May 2001 → 18 May 2001 |
Conference
| Conference | 2001 International Conference on Indium Phosphide and Related Materials |
|---|---|
| Country/Territory | Japan |
| City | Nara |
| Period | 14/05/01 → 18/05/01 |
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