基于薄膜光子晶体超晶格理论的偏振带通滤波器  

Design of polarization band-pass filters based on the theory of thin-film photonic crystal superlattice

作　　者：顾培夫[1] 陈海星[1] 秦小芸[1] 刘旭[1] 

机构地区：[1]浙江大学现代光学仪器国家重点实验室,杭州310027

出　　处：《物理学报》2005年第2期773-776,共4页Acta Physica Sinica

基　　金：国家自然科学基金 (批准号 :60 0 780 0 1;60 4780 3 8)资助的课题~~

摘　　要：偏振带通滤波器在光通讯波分复用技术中有着特殊的应用 .利用薄膜一维光子晶体超晶格概念 ,提出了两种新的偏振带通滤波器的设计方法 .第一种是基于两个一维光子晶体叠加的偏振带通滤波器 ;第二种是在第一个光子晶体的中间插进第二个光子晶体 ,形成三个一维光子晶体叠加的偏振带通滤波器 .设计了性能优良的p偏振分量透射而s偏振分量反射的新型带通滤波器 .讨论了这种滤波器的通带特性和截止宽度 .The principle of design of polarization band-pass filters used for wavelength division multiplexing systems is presented. The design method is based on the concept of thin-film photonic crystal superlattice. Two kinds of design are put forward. One of them is to construct by superposition of two photonic crystals; and the other is to insert a new photonic crystal into the middle of a photonic crystal, so that there are in effect three photonic crystals. Such band-pass filters have excellent optical properties with p-polarization transmittance and s-polarization reflectance. The characteristics of the filters, including peak transmittance, half-band width and rejection are discussed.

关 键 词：带通滤波器 偏振 一维光子晶体 通带 波分复用技术 光通讯 超晶格 薄膜 透射 分量 

分 类 号：TN713[电子电信—电路与系统]