Wannier functions and the calculation of localized modes in one-dimensional photonic crystals

被引：6
作者：
Romano, Maria C. [1 ]
Vellasco-Gomes, Arianne [1 ]
Bruno-Alfonso, Alexys [2 ]
机构：
[1] Sao Paulo State Univ UNESP, Grad Program Mat Sci & Technol, Sch Sci, BR-17033360 Bauru, SP, Brazil
[2] Sao Paulo State Univ UNESP, Sch Sci, Dept Math, BR-17033360 Bauru, SP, Brazil
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2018年 / 35卷 / 04期
关键词：
DEFECT MODES; SUPERLATTICES; EMISSION; LAYER; WAVES;
D O I：
10.1364/JOSAB.35.000826
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The localized modes of a layered photonic crystal with a substitutional defect are calculated by expanding the magnetic field over a truncated set of Wannier functions. Good agreement is found with the results obtained by the transfer-matrix technique. It is shown that frequencies converge very fast (slowly) as the number of unit cells (photonic bands) in the truncated set is increased. (C) 2018 Optical Society of America
引用
收藏
页码：826 / 834
页数：9
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