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Light-current characteristics of vertical-cavity surface-emitting lasers with external optical feedback

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【作者】张星；宁永强；孙艳芳；张岩；刘光裕；彭航宇；李再金；秦莉；刘云；王立军；

【Author】 Zhang Xing Ning Yongqiang Sun Yanfang Zhang Yan Liu Guangyu Peng Hangyu Li Zaijin Qin Li Liu Yun and Wang Lijun (1 Laboratory of Excited State Processes,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences, Changchun 130033,China) (2 Graduate University of the Chinese Academy of Sciences,Beijing 100049,China)

【机构】 Laboratory of Excited State Processes,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences； Graduate University of the Chinese Academy of Sciences；

【摘要】 <正>The influence of external optical feedback(OFB) on the light-current characteristics of the vertical-cavity surface-emitting lasers(VCSELs) was investigated theoretically and experimentally.By calculating the OFB sensitivity parameter,the OFB sensibility of the VCSELs was compared with the edge emitting lasers.Based on the compound cavity theory,the light-current characteristic parameters of the VCSELs with external OFB,such as the threshold current and the slope efficiency,were calculated.The experimental results indicated that the threshold current of the VCSELs with different DBR reflectivities decreased to different degrees,accompanied with a decrease of slope efficiency when under 10%feedback ratio of the external OFB,which is in good agreement with the theoretical calculation.更多还原

【Abstract】 The influence of external optical feedback(OFB) on the light-current characteristics of the vertical-cavity surface-emitting lasers(VCSELs) was investigated theoretically and experimentally.By calculating the OFB sensitivity parameter,the OFB sensibility of the VCSELs was compared with the edge emitting lasers.Based on the compound cavity theory,the light-current characteristic parameters of the VCSELs with external OFB,such as the threshold current and the slope efficiency,were calculated.The experimental results indicated that the threshold current of the VCSELs with different DBR reflectivities decreased to different degrees,accompanied with a decrease of slope efficiency when under 10%feedback ratio of the external OFB,which is in good agreement with the theoretical calculation.更多还原

【关键词】 semiconductor lasers； vertical-cavity surface-emitting lasers； optical feedback； light-current characteristics； feedback ratio；
【Key words】 semiconductor lasers； vertical-cavity surface-emitting lasers； optical feedback； light-current characteristics； feedback ratio；

【基金】 supported by the National Natural Science Foundation of China(Nos.60636020,10974012,60876036,90923037,60676034, 60706007);the Jilin Province Science and Technology Development Plan Item(Nos.20080335,20080516);the CAS Innovation Program.

【文献出处】半导体学报 ,Journal of Semiconductors , 编辑部邮箱 ,2010年03期

【分类号】TN248
【下载频次】58

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