Propagation Loss Analysis in Photonic Crystal Waveguides using a Complex-Band Technique

被引：0
作者：
Reinke, Charles M. [1 ]
Eftekhar, Ali Asghar [1 ]
Momeni, Babak [1 ]
Adibi, Ali [1 ]
Zhang, Xiaoguang [2 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
[2] Ctr Nanophase Mat Sci, Comp Sci & Math Div, Oak Ridge Natl Lab, Oak Ridge, TN USA
来源：
PHOTONIC AND PHONONIC CRYSTAL MATERIALS AND DEVICES X | 2010年 / 7609卷
关键词：
photonic crystals; propagation loss; optical waveguides; computational electromagnetics; layer-KKR; ELECTRONIC-STRUCTURE; LIGHT;
D O I：
10.1117/12.848985
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We present a semi-analytical Green's function-based technique for analyzing propagation loss in photonic crystal waveguides (PCWGs). The method only requires the complex band structure of the PCWG to calculate the transmission (or loss) of the structure. The plane-wave expansion method was used in this work to calculate the complex band behavior, and the power of this technique is demonstrated by comparing the results with the brute force simulation results for a PCWG. The possibility of extending this technique to the more practical arrangement of a random distribution of defects using a configurational average with coherent potential approximation theory will also be discussed.
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页数：9
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