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Superlattice optical-cavity multiple-quantum-well (SOC-MQW) lasers grown by molecular-beam epitaxy

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4 Author(s)
Sakaki, H. ; University of Tokyo, Institute of Industrial Science, Tokyo, Japan ; Yoshino, J. ; Sekiguchi, Y. ; Sakai, K.

A new-structure multiple-quantum-well laser utilising superlattice waveguides and superlattice barriers is proposed and fabricated by molecular-beam epitaxy using GaAs/AlGaAs. Room-temperature CW operation with a threshold current of 40 mA and external differential quantum efficiency per facet of 20% is demonstrated.

Published in:

Electronics Letters  (Volume:20 ,  Issue: 8 )