Optical transformation design of waveguide bends and splitter in photonic crystals

被引：7
|
作者：
Wang, Shenyun [1 ,2 ]
Liu, Xianyang [1 ]
Zhu, Yanping [1 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Res Ctr Appl Electromagnet, Nanjing 210044, Jiangsu, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2015年 / 355卷
关键词：
Waveguide branch; Transformation optics; Photonic crystal; NONMAGNETIC INVISIBILITY CLOAK; Y-BRANCH; MINIMIZED SCATTERING; OPTIMIZATION; MEDIA; CONCENTRATOR; BANDWIDTH; BAND;
D O I：
10.1016/j.optcom.2015.06.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, an alternative approach for waveguide branch design in photonic crystals is presented. Two kinds of waveguide branches, including L-shaped waveguide bender and T-shaped splitter, are theoretically designed by using the method of transformation optics. Based on the parameters designed, electromagnetic simulations by finite-element method on detailed examples have been performed to validate the desirable properties of low reflection and minimized distortion at the branching region and to exhibit broadband for TE wave. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 84
页数：5
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