The narrow band THz filter in metallic photonic crystal slab framework: Design and investigation

被引：5
作者：
Matloub, Samiye [1 ]
Hosseinzadeh, Maryam [1 ]
Rostami, Ali [1 ,2 ]
机构：
[1] Univ Tabriz, Fac Elect & Comp Engn, Tabriz 5166614761, Iran
[2] Univ Tabriz, Sch Engn Emerging Technol, Tabriz 5166614761, Iran
来源：
OPTIK | 2014年 / 125卷 / 21期
关键词：
Narrow bandpass THz filter; Metallic photonic crystal; Ring resonator; TRANSMISSION; MODES;
D O I：
10.1016/j.ijleo.2014.08.044
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A band pass THz filter has been presented by the aid of coupling between the waveguides and ring resonator based on metallic photonic crystal slab. The rows of rods are missed and remaining rods in the rows play as a reflector then the position of central rods are rearranged as a ring, the radius of reflector rods and ring resonator is modified in order to optimize the resonance frequency and Q-factor. In addition, 3D-FDTD method is used for simulation results. One of the predominant features of the proposed structure for THz filter is its capability of obtaining a Q-factor of about 333 in the 1 THz resonance frequency with the normalized peak transmission of higher than 0.7, because of high Q-factor cavity based on ring resonator. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：6545 / 6549
页数：5
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