基于光子晶体慢光实现光缓存
慢光技术是实现全光网络中光缓存器件的关键技术,为了实现具有较低群速度、较大带宽的慢光,设计了一种基于二维正方晶格介质柱旋转-45°形成线缺陷的新型波导结构,实现了慢光传输并将其应用于光缓存技术中。通过改变介质柱的半径和波导宽度可进一步优化慢光性能,利用基于超晶胞的平面波展开法进行计算仿真,得到缺陷模的色散曲线,并详细分析了光在波导中的传输群速度和群速度色散的性质,实现了最大群速度仅为0.007 89c（c为光在真空中的传播速度）,并且群速度色散在-106106 ps2/km范围内。将所设计的长度为1mm的光子晶体结构应用到光缓存中,可以实现的最大缓存时间为2.778ps,最大缓存容量达145....
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| Published in | Guangtongxin Yanjiu pp. 43 - 45 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | Chinese |
| Published |
《光通信研究》编辑部
01.01.2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-8788 |
| DOI | 10.13756/j.gtxyj.2014.04.014 |
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| Abstract | 慢光技术是实现全光网络中光缓存器件的关键技术,为了实现具有较低群速度、较大带宽的慢光,设计了一种基于二维正方晶格介质柱旋转-45°形成线缺陷的新型波导结构,实现了慢光传输并将其应用于光缓存技术中。通过改变介质柱的半径和波导宽度可进一步优化慢光性能,利用基于超晶胞的平面波展开法进行计算仿真,得到缺陷模的色散曲线,并详细分析了光在波导中的传输群速度和群速度色散的性质,实现了最大群速度仅为0.007 89c（c为光在真空中的传播速度）,并且群速度色散在-106106 ps2/km范围内。将所设计的长度为1mm的光子晶体结构应用到光缓存中,可以实现的最大缓存时间为2.778ps,最大缓存容量达145.98bit。 |
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| AbstractList | 慢光技术是实现全光网络中光缓存器件的关键技术,为了实现具有较低群速度、较大带宽的慢光,设计了一种基于二维正方晶格介质柱旋转-45°形成线缺陷的新型波导结构,实现了慢光传输并将其应用于光缓存技术中。通过改变介质柱的半径和波导宽度可进一步优化慢光性能,利用基于超晶胞的平面波展开法进行计算仿真,得到缺陷模的色散曲线,并详细分析了光在波导中的传输群速度和群速度色散的性质,实现了最大群速度仅为0.007 89c（c为光在真空中的传播速度）,并且群速度色散在-106106 ps2/km范围内。将所设计的长度为1mm的光子晶体结构应用到光缓存中,可以实现的最大缓存时间为2.778ps,最大缓存容量达145.98bit。 |
| Author | 齐菡 施伟华 |
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| Snippet | 慢光技术是实现全光网络中光缓存器件的关键技术,为了实现具有较低群速度、较大带宽的慢光,设计了一种基于二维正方晶格介质柱旋转-45°形成线缺陷的新型波导结构,实现了慢光... |
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| SubjectTerms | 光子晶体;慢光;光缓存器 |
| Title | 基于光子晶体慢光实现光缓存 |
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