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(Color online) The left graph displays the integrated emission intensity versus the pump intensity of a ∼300 μm long MQW laser bar at 10 K. The right graph shows the emission spectrum of a ∼480 μm long laser bar above threshold at 10 K.
Dark field TEM images of the Ga(NAsP)/(BGa)(AsP) triple quantum laser device. The upper image shows the SCH containing the QWs (cross section in ) whereas the lower image shows the region around the GaP/Si interface (cross section in ).
(Color online) The left graph shows the integrated emission intensity versus drive current of an electrical pumped triple QW laser for different temperatures. The right graph contains the emission spectrum of a single and triple QW laser for a drive current above threshold.
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