ANALYSIS OF TUNABLE MULTIPLE-FILTERING PROPERTY IN A PHOTONIC CRYSTAL CONTAINING STRONGLY EXTRINSIC SEMICONDUCTOR

被引：11

作者：

Hung, H. -C. ^{[2
,3
,4
]}

Wu, C. -J. ^{[1
]}

Yang, T. -J. ^{[5
]}

Chang, S. -J. ^{[2
,3
,4
]}

机构：

[1] Natl Taiwan Normal Univ, Inst Electroopt Sci & Technol, Taipei 116, Taiwan

[2] Natl Cheng Kung Univ, Dept Elect Engn, Ctr Micro Nano Sci & Technol, Tainan 701, Taiwan

[3] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Tainan 701, Taiwan

[4] Natl Cheng Kung Univ, Inst Microelect, Tainan 701, Taiwan

[5] Chung Hua Univ, Dept Elect Engn, Hsinchu 300, Taiwan

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2011年 / 25卷 / 14-15期

关键词：

QUANTUM-WELL STRUCTURES; NARROW-BAND-FILTER; SPECTRAL EFFICIENCY; DEFECT MODES; MULTILAYER; REFLECTION;

D O I：

10.1163/156939311798072009

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we analyze the tunable multiple-filtering property at infrared frequency in a finite semiconductor-dielectric photonic crystal (SDPC), (AB)(P) A, where A is a strongly extrinsic semiconductor, n-type germanium (n-Ge). B is a dielectric material, and P is the number of periods. It is found that multiple filtering phenomenon can be obtained in the region where the permittivity of n-Ge is negative. The number of resonant peaks is found to be equal to P. With the permittivity of n-Ge being concentration-dependent, these resonant peaks can be shifted as a function of impurity concentration. The analysis indicates that such an SDPC can work as a tunable multichannel filter which is of technical use for the semiconductor applications in optical communications.

引用

页码：2089 / 2099

页数：11

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