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Dokumenttyp:
Zeitschriftenaufsatz 
Autor(en):
Jiang, A.; Matyas, A.; Vijayraghavan, K.; Jirauschek, C.; Wasilewski, Z.R.; Belkin, M.A. 
Titel:
Experimental investigation of terahertz quantum cascade laser with variable barrier heights 
Abstract:
We report an experimental study of terahertz quantum cascade lasers with variable barrier heights based on the Al xGa1–xAs/GaAs material system. Two new designs are developed based on semiclassical ensemble Monte Carlo simulations using state-of-the-art Al 0.15Ga0.85As/GaAs three-quantum-well resonant phonon depopulation active region design as a reference. The new designs achieved maximum lasing temperatures of 188 K and 172 K, as compared to the maximum lasing temperature of 191 K for the refe...    »
 
Zeitschriftentitel:
J. Appl. Phys. 115, 163103 (2014); 
Jahr:
2014 
Sprache:
en 
Verlag / Institution:
AIP Publishing LLC.