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光子晶体缺陷模的偏振特性研究
引用本文:金铱,黄正逸,陈宪锋,唐丽,是度芳. 光子晶体缺陷模的偏振特性研究[J]. 激光技术, 2007, 31(3): 277-280
作者姓名:金铱  黄正逸  陈宪锋  唐丽  是度芳
作者单位:江苏工业学院,信息科学系,常州,213016;江苏工业学院,信息科学系,常州,213016;华中科技大学,物理系,武汉,430074
摘    要:为了了解光波在一维光子晶体的传输特性,利用传输矩阵方法进行了数值模拟,并研究了缺陷层厚度对缺陷模偏振特性的影响.结果表明,入射角的变化对光子晶体的禁带及缺陷模影响较大,它们都随入射角的增大向高频(短波)方向移动,s偏振的禁带宽度逐渐增宽而p偏振的禁带宽度变化不明显,p偏振的缺陷模频移较s偏振的稍大.随着入射角的增大,s偏振的缺陷模越来越细、品质因子逐渐增大,而p偏振的缺陷模变化趋势则刚好相反.

关 键 词:物理光学  光子晶体  传输矩阵  缺陷模  偏振态
文章编号:1001-3806(2007)03-0277-04
收稿时间:2006-04-05
修稿时间:2006-04-052006-05-29

Study on polarization properties of the photonic crystal defect mode
JIN Yi,HUANG Zheng-yi,CHEN Xian-feng,TANG Li,SHI Du-fang. Study on polarization properties of the photonic crystal defect mode[J]. Laser Technology, 2007, 31(3): 277-280
Authors:JIN Yi  HUANG Zheng-yi  CHEN Xian-feng  TANG Li  SHI Du-fang
Affiliation:1. Department of Information Science, Jiangsu Polytechnic University, Changzhou 213016, China; 2. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Abstract:The transfer matrix method was used to simulate the transmission characteristics of 1-D photonic crystal.Furthermore,it was also studied how the defect layer thickness affects the defect mode polarization properties.The results shew that the variance of incident angle had significant influence on the forbidden band and defect mode of 1-D photonic crystal,both of which shifted in the direction of high frequency(low wavelength) with the incident angle increasing.The forbidden band width of s polarization increased gradually but that of p polarization changed little.The defect mode frequency of p polarization shifted a little more than that of s polarization.When the incident angle increased,the defect mode of s polarization became narrow more and more and its quality factor increases gradually,nevertheless,the defect mode of p polarization changes the other way round.
Keywords:physical optics    photonic crystal    transfer matrix    defect mode    polarization state
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