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掺铒光纤放大器泵浦源用980nm量子阱激光器
Authors
何晓曦
张敬明
+6 more
徐俊英
徐遵图
杨国文
王启明
肖建伟
陈良惠
Publication date
1 January 1996
Publisher
Abstract
利用分子束外延(MBE)方法研制出了高质量的InGaAs/GaAs/AlGaAs应变量子阱激光器外延材料,其最低的阈值电流密度可达到140/cm~2,激发波长在980nm左右.通过脊型波导结构的制备,获得了高性能的适合于掺铒光纤放大器用的980nm量子阱激光器泵浦源,其典型的阈值电流和外微分量子效率分别为15mA和0.8mW/mA,基横模的输出功率大于80mW,器件在50℃,80mW的恒功率老化实验表明,器件具有较好的可靠性.通过与掺铒光纤的耦合,其组合件出纤功率可达60mW以上
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Last time updated on 15/03/2019