基于氮化镓的导模共振滤波器仿真分析
根据严格耦合波理论和等效介质理论,提出了针对C波段、基于半导体材料氮化镓的亚波长导模共振滤波器结构及设计方法。详细探讨了在强调制光栅的高占空比作用下,光栅周期和入射波角度对滤波器反射谱共振波长的影响。在保持滤波效果为高衍射率(共振波长峰值反射率达到99.5%以上)、低旁带和窄线宽的条件下,利用其对入射波角度的敏感性,结合仿真数值提出了一种通过MEMS(微机电系统)平面反射镜调谐入射角角度(04.07°),从而线性地控制共振波长输出(调谐范围为36nm),实现峰值半宽高低于0.8nm的C波段可调滤波器。...
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Published in | Guangtongxin Yanjiu pp. 55 - 58 |
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Main Authors | , , , |
Format | Journal Article |
Language | Chinese |
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《光通信研究》编辑部
01.01.2014
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Abstract | 根据严格耦合波理论和等效介质理论,提出了针对C波段、基于半导体材料氮化镓的亚波长导模共振滤波器结构及设计方法。详细探讨了在强调制光栅的高占空比作用下,光栅周期和入射波角度对滤波器反射谱共振波长的影响。在保持滤波效果为高衍射率(共振波长峰值反射率达到99.5%以上)、低旁带和窄线宽的条件下,利用其对入射波角度的敏感性,结合仿真数值提出了一种通过MEMS(微机电系统)平面反射镜调谐入射角角度(04.07°),从而线性地控制共振波长输出(调谐范围为36nm),实现峰值半宽高低于0.8nm的C波段可调滤波器。 |
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AbstractList | 根据严格耦合波理论和等效介质理论,提出了针对C波段、基于半导体材料氮化镓的亚波长导模共振滤波器结构及设计方法。详细探讨了在强调制光栅的高占空比作用下,光栅周期和入射波角度对滤波器反射谱共振波长的影响。在保持滤波效果为高衍射率(共振波长峰值反射率达到99.5%以上)、低旁带和窄线宽的条件下,利用其对入射波角度的敏感性,结合仿真数值提出了一种通过MEMS(微机电系统)平面反射镜调谐入射角角度(04.07°),从而线性地控制共振波长输出(调谐范围为36nm),实现峰值半宽高低于0.8nm的C波段可调滤波器。 |
Author | 诸波 魏润润 赵昊 胡芳仁 |
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SubjectTerms | 导模共振;氮化镓;滤波器;微机电系统 |
Title | 基于氮化镓的导模共振滤波器仿真分析 |
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