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基于长周期波导光栅的宽范围电光调谐滤波器
  • 期刊名称：科学通报
  • 时间：0
  • 页码：3265-3269
  • 语言：中文
  • 分类：TN713[电子电信—电路与系统] TN252[电子电信—物理电子学]
  • 作者机构：[1]电子科技大学光电信息学院,成都610054
  • 相关基金：国家自然科学基金（批准号：60736038和60906052）和国家高技术研究发展计划（批准号：2007AA012269和2009AA032413）资助项目
  • 相关项目：高速（微波）信号的光学模/数转换方法与关键技术研究
作者： 郭小伟|刘永智|张晓霞|刘永|李和平|
关键词： 光学滤波器, 长周期波导光栅, 电光调谐, 偏振无关
中文摘要：

设计了一种基于长周期波导光栅的电光调谐滤波器,它具有偏振无关性.理论分析表明,调谐电压在？84～84V之间,波长调谐范围从1530～1565nm,覆盖了整个C波段;在整个调谐范围内,准TE模的耦合效率都在97%以上,3dB带宽小于0.8nm,波长对电压敏感性为0.208nm/V.此滤波器在WDM动态光网络有潜在的应用,可以用作快速波长扫描/选择,信道重构以及光学开关等用途.

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