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GaAs半导体表面的S-N混合等离子体钝化及在激光器工艺上的应用 被引量:2

GaAs surface passivation by S-N plasma and its application in diode laser processing
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摘要 利用射频(RF)等离子方法,对GaAs半导体表面进行了S-N混合等离子体钝化实验,并对工作压强、RF功率进行了优化。光致发光(PL)测试结果表明,经过S-N混合等离子体钝化的GaAs样品PL强度提高135%。将本文钝化方法应用到980nm波长InGaAs应变量子阱(QW)激光器的制备工艺,器件的COD阈值功率明显增加。 GaAs surface passivation has been studied by S and N mixture plasma method for the first time while the radio frequency (RF) power and pressure are adjusted to optimize the passivation effect by photoluminescence (PL) measurement. The experimental results show that the PL intensity of the passi- vated sample is 135 % higher than that without treatment. This passivation process has been used in 980 nm wavelength InGaAs strained quantum well (QW) semiconductor laser fabrication,and an obvious in- crease in facet catastrophic optical damage (COD) power can be obtained.
出处 《光电子.激光》 EI CAS CSCD 北大核心 2017年第2期143-146,共4页 Journal of Optoelectronics·Laser
基金 国家自然科学基金(61176048 61177019 61308051) 吉林省科技发展计划(20150203007GX 20130206016GX) 中物院高能激光重点实验室基金(2014HEL01)资助项目
关键词 GAAS COD 光致发光(PL) 钝化 GaAs catastrophic optical damage (COD) photoluminescence (PL) passivation
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