| Design and numerical simulation of novel DBRs |
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| 作者姓名： | 苏伟 钟景昌 刘文莉 苏炎坤 张守进 龙信介 姬梁文 李林 赵英杰 |
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| 作者单位： | College of Computer Science and Technology，National Key Lab of High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun 130022，National Key Lab of High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun 130022，Research Institute of Microelectrionics，National Cheng Kung University，Tainan 701，Research Institute of Microelectrionics，National Cheng Kung University，Tainan 701，Research Institute of Microelectrionics，National Cheng Kung University，Tainan 701，Research Institute of Microelectrionics，National Cheng Kung University，Tainan 701，National Key Lab of High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun 130022，National Key Lab of High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun 130022 |
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| 摘 要： | In this paper, a numerical simulation of the traditional graded distributed Bragg reflector (DBR) and a design of the novel DBR with short period superlattices (SPSs DBR) used by vertical cavity surface emitting laser (VCSEL) are reported. First, the optical characteristic matrix of the graded DBRs is derived using the theories of thin film optics. Second, its reflective spectrum is numerical simulated and it is found that the simulative results are similar with the experimental data. The difference of the cavity mode position between the experimental and simulative data is discussed. Finally, based on the simulative results of graded DBR, a novel DBR with 4.5-pair GaAs/AlAs SPSs is designed, and its reflective spectrum is numerical simulated and analyzed.
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Design and numerical simulation of novel DBRs |
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| Abstract: | In this paper, a numerical simulation of the traditional graded distributed Bragg reflector (DBR) and a design of the novel DBR with short period superlattices (SPSs DBR) used by vertical cavity surface emitting laser (VCSEL) are reported. First, the optical characteristic matrix of the graded DBRs is derived using the theories of thin film optics. Second, its reflective spectrum is numerical simulated and it is found that the simulative results are similar with the experimental data. The difference of the cavity mode position between the experimental and simulative data is discussed. Finally, based on the simulative results of graded DBR, a novel DBR with 4.5-pair GaAs/AlAs SPSs is designed, and its reflective spectrum is numerical simulated and analyzed. |
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