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BeZnSeTe/(MgSe/BeZnTe) double heterostructures were fabricated on InP substrates by molecular beam epitaxy and their optical exciting laser properties were evaluated. Yellow–green lasing at 564nm at room temperature was achieved for the first time. The threshold excitation power density was 149kW/cm 2 when the cavity length was 2mm. The threshold power density linearly decreased with a decrease...
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