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p型掺杂1.3 μm InAs/GaAs量子点激光器的最大模式增益特性的研究
Authors
季海铭
曹玉莲
+4 more
曹青
杨涛
陈良惠
马文全
Publication date
1 January 2009
Publisher
Abstract
对p型掺杂1.3 μm InAs/GaAs量子点激光器的最大模式增益进行了实验和理论分析.实验上,测量了不同腔长激光器阈值电流密度与总损耗的对应关系,拟合出的最大模式增益为17.5 cm~(-1),与相同结构非掺杂量子点激光器的最大模式增益一致.同时理论分析表明,p型掺杂对InAs/GaAs量子点激光器的最大模式增益并无影响,并且最大模式增益的计算结果与实验值相符.具有较小高度或高宽比的量子点能达到更高的最大模式增益,而较高的最大模式增益对p型掺杂1.3 μm InAs/GaAs自组织量子点激光器在光通信系统中的应用具有重要意义
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Last time updated on 15/03/2019