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低阈值电流密度InGaAs/GaAs/AlGaAs应变量子阱激光器
Authors
何晓曦
张敬明
+6 more
徐俊英
徐遵图
杨国文
沈光地
陈昌华
陈良惠
Publication date
1 January 1997
Publisher
Abstract
利用分子束外延技术,生长了极低阈值电流密度、低内损耗、高量子效率的InGaAs/GaAs/AlGaAs应变量子阱激光器。在腔长900μm时,80μm宽接触激光器阈值电流密度是125A/cm~2,在腔长为2000μm时是113A/cm~2,这样低的阈值电流密度是目前国内报道的最低值。激光器的内损耗和内量子效率分别是2cm~(-1)和84%
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Last time updated on 15/03/2019