H. Doi, Y. Iguchi, H. Kimura, T. Iwasaki, Y. Mirua, M. Yokogawa
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引用次数: 0
摘要
采用生产规模的有机金属气相外延(OMVPE)系统在4英寸s掺杂InP衬底上生长InGaAs/InP外延层。通过优化生长条件,获得了较高的均匀性。例如,InGaAs层厚度均匀性为1.09%,InP层厚度均匀性为1.39%。在平面型PIN-PD器件中也实现了低暗电流(<0.3 nA/200 /spl mu/m /spl phi/ at V/sub R/=5 V)。这些结果将突出大直径InGaAs/InP外延生长对器件成本性能的影响。
Highly uniform 4-inch diameter ingaas/inp epitaxial wafer for pin-pd application
InGaAs/InP epitaxial layers were grown on four-inch S-doped InP substrates using production-scale organometallic vapor-phase epitaxy (OMVPE) system. High uniformity has been obtained by optimizing the growth conditions. For example, thickness uniformity of 1.09% in InGaAs layer, 1.39% in InP layer has been obtained. Also low dark current (<0.3 nA/200 /spl mu/m /spl phi/ at V/sub R/=5 V) has been achieved in planar type PIN-PD device. These results will highlight the large-diameter InGaAs/InP epitaxial growth for device cost performance.