| Autor: |
Jérôme Faist, Carlo Sirtori, P. Kruck, Mattias Beck, Stefano Barbieri, Julien Nagle, Philippe Collot, Ursula Oesterle |
| Rok vydání: |
1999 |
| Předmět: |
|
| Zdroj: |
Physics and Simulation of Optoelectronic Devices VII. |
| ISSN: |
0277-786X |
| Popis: |
Operation of a unipolar injection quantum cascade laser grown in a GaAs/AlGaAs material is reported. In pulsed mode an optical peak power exceeding 100 mW at 77 K and at an emission wavelength of 9.3 μm is obtained. The optimum threshold current density is 6.3 kA/cm 2 . A strong influence of external white light illumination on device operation is observed. This behaviour can be explained by the presence of DX centers in the AlGaAs cladding layers. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
