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光束非相干性对光子晶体缺陷模式透射位移的影响分析

Influence of Beam Incoherence on the Lateral Shifts of Defect Modes in Photonic Crystals

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摘要

利用非相干理论和传输矩阵法研究了非相干光束在一维含缺陷层的光子晶体中的传输,分析了光束的非相干性和入射角度对缺陷模式透射位移和光子晶体反射面上位移的影响。结果表明,光束相干性越强,透射和反射位移量越大;入射角度增大,透射和反射位移量也都增大。并与不含缺陷结构的光子晶体的通带频率光束相比较,发现缺陷层的引入会使透射位移量增大,在不同相干条件下,缺陷模式的透射位移量要更大些。

Abstract

The propagation properties of incoherent light beams through a one-dimensional photonic crystal with a defect layer are investigated by means of incoherent theory and transfer matrix method. The influence of incoherence and the incident angle on the transmitted lateral shifts of defect modes and the lateral shifts on the reflecting surface of the photonic crystal are discussed. The transmitted and reflected lateral shifts are both enhanced with the strengthening of coherence. In comparison with the pass band of one-dimensional photonic crystal without a defect layer, it is found that the defect layer will increase the transmitted shift. In different incoherent conditions, the shift of defect modes is always lager than that of other waves in pass band.

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中图分类号:O451

DOI:10.3788/aos201131.1226002

所属栏目:物理光学

责任编辑:韩峰  信息反馈

基金项目:国家自然科学基金(60677030,60808002,10804070)和上海市重点学科建设项目(S30105)资助课题。

收稿日期:2011-05-23

修改稿日期:2011-07-15

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作者单位    点击查看

王雅莉:上海大学理学院物理系, 上海 200436
陈园园:上海大学理学院物理系, 上海 200436
施解龙:上海大学理学院物理系, 上海 200436

联系人作者:王雅莉(darkwhite@shu.edu.cn)

备注:王雅莉(1987—),女,硕士研究生,主要从事光子晶体方面的研究。

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引用该论文

Wang Yali,Chen Yuanyuan,Shi Jielong. Influence of Beam Incoherence on the Lateral Shifts of Defect Modes in Photonic Crystals[J]. Acta Optica Sinica, 2011, 31(12): 1226002

王雅莉,陈园园,施解龙. 光束非相干性对光子晶体缺陷模式透射位移的影响分析[J]. 光学学报, 2011, 31(12): 1226002

被引情况

【1】王筠,肖明,靳海芹,童爱红,刘丹. 三层单负材料为周期单元对称型一维光子晶体的频率特性. 激光与光电子学进展, 2012, 49(6): 62602--1

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