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光子晶体波导中的孤子传输及其延迟特性研究
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：TN252[电子电信—物理电子学]
  • 作者机构：[1]北京邮电大学信息光子学与光通信教育部重点实验室,北京邮电大学信息与通信工程学院,北京100876
  • 相关基金：国家自然科学基金（批准号：60707001 60932004）; 国家重点基础研究发展计划（批准号：2007CB310705）; 国家高技术研究发展计划（批准号：2009AA01Z214）; 教育部新世纪优秀人才支持计划（批准号：NCET07-0110）资助的课题
作者： 刘凌宇, 田慧平, 纪越峰
关键词： 光子晶体波导, 光孤子, 峰值功率, 延迟时间, photonic crystal waveguide, optical soliton, peak power, delay time
中文摘要：

研究了正方晶格和三角晶格空气背景硅介质柱光子晶体线缺陷波导导模左带隙边缘处的亮孤子脉冲传播特性及其慢光延迟特性.采用平面波展开法仿真分析了波导相邻两行介质柱大小r1和r2以及波导宽度D对孤子脉冲传输所需峰值功率P0和延迟时间Ts的影响,总结了其变化规律.通过调整波导结构得到了正方晶格和三角晶格优化波导结构,优化后,正方晶格结构波导P0减小了81.17%,Ts增加了66.32%;三角晶格结构波导P0减小了73.7%,Ts增加了67.63%,实现了孤子传输性能的大幅度优化.

英文摘要：

The bright soliton pulse propagation and the slow light delay time properties of 2D cubic and triangular lattice photonic crystal line defect waveguide（PCW） with circular Si-rods near the left edge of the guidedmode are investigated.By using the plane-wave expansion（PWE） method,the ralues of soliton required peak power P0 and delay time TS of the waveguided with different radii of the first two rows of Si-rods adjacent to the waveguide,r1 and r2,and waveguide width D are numerically investigated.Adjusting the waveguide structure can bring in optimized cubic and triangular lattice waveguide,of which P0 is reduced by 81.17% and TS is increased by 66.32% for cubic lattice waveguide;P0 is reduced by 73.7% and TS is increased by 67.63% for triangular lattice waveguide.These results show that the soliton transmission performance in the photonic crystal line defect waveguide can be effectivly optimized.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876