首页> 美国政府科技报告 >Photopumped Room-Temperature Edge- and Vertical-Cavity Operation of AlGaAs-GaAs-InGaAs Quantum-Well Heterostructure Lasers Utilizing Native Oxide Mirrors
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Photopumped Room-Temperature Edge- and Vertical-Cavity Operation of AlGaAs-GaAs-InGaAs Quantum-Well Heterostructure Lasers Utilizing Native Oxide Mirrors

机译:利用天然氧化物反射镜的alGaas-Gaas-InGaas量子阱异质结构激光器的光电泵浦室温边缘和垂直腔体操作

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摘要

Data are presented on the 300-K continuous and pulsed photopumped laser operationof A1y Ga(1-y)As-GaAS-InxGa(1-x)As quantum-well heterostructure (QWH) crystals that utilize large-index-step high-contrast distributed Bragg reflector mirrors. The mirrors are formed by selective lateral oxidation (H2O+N2, 425 deg C) of three lower and three upper A1As layers in the structure, resulting in enhanced cavity Q in the vertical direction. The laterally oxidized mirrors, a small lower and an upper stack that sandwich a lateral waveguide and double QW active region, are of sufficient quality to permit vertical-cavity laser operation of the QWH crystals.

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