Design of ultra compact polarization splitter based on the complete photonic band gap

Kalra Y; Sinha RK

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Design of ultra compact polarization splitter based on the complete photonic band gap

机译：基于完整光子带隙的超紧凑型偏振分束器设计

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A novel design of polarization splitter based on the complete photonic band gap has been proposed in this paper. The proposed Photonic Band Gap (PBG) polarization splitter is formed by two photonic crystal waveguides composed of dielectric rods in air in honeycomb structure for which complete photonic band gap is obtained using the plane wave expansion (PWE) method. The splitting properties (i.e. coupling length, extinction ratio and insertion loss) of PBG polarization splitter have numerically been investigated using the finite difference time domain (FDTD) method. It has been shown that polarization splitter of length as small as 32 mu m can be designed at lambda=1.55 mu m. The proposed polarization splitter offers a large bandwidth of 120 nm.

机译：本文提出了一种基于完整光子带隙的偏振分束器的新颖设计。所提出的光子带隙（PBG）偏振分束器是由两个光子晶体波导构成的，该光子晶体波导由蜂窝结构中的空气中的介电棒组成，通过平面波扩展（PWE）方法可以获得完整的光子带隙。 PBG偏振分束器的分离特性（即耦合长度，消光比和插入损耗）已使用时差有限域（FDTD）方法进行了数值研究。已经表明，可以将λ分离器设计为λ＝1.55μm的长度的小至32μm。提出的偏振分束器可提供120 nm的大带宽。

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来源
《Optical and quantum electronics》 |2005年第9期|p. 889-895|共7页
作者
Kalra Y; Sinha RK;
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作者单位

Univ Delhi, Fac Technol, Delhi Coll Engn,Dept Appl Phys, Ctr Relevance & Excellence Fiber Opt & Opt Commun, Delhi 110042, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类光学;
关键词
complete photonic band gap; finite difference time domain method; photonic crystal; plane wave expansion method; polarization splitter; 2-DIMENSIONAL SQUARE; LATTICES;

机译：完全光子带隙;时域有限差分法;光子晶体;平面波扩展法;偏振分束器;二维平方;晶格;

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Design of ultra compact polarization splitter based on the complete photonic band gap

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