BROAD OMNIDIRECTIONAL REFLECTOR IN THE ONE-DIMENSIONAL TERNARY PHOTONIC CRYSTALS CONTAINING SUPERCONDUCTOR

被引：60

作者：

Dai, X. Y. ^{[1
,2
]}

Xiang, Y. J. ^{[1
]}

Wen, S. C. ^{[1
]}

机构：

[1] Hunan Univ, Sch Informat Sci & Engn, Lab Micro Nano Optoelect Devices, Minist Educ, Changsha 410082, Hunan, Peoples R China

[2] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2011年 / 120卷

基金：

中国国家自然科学基金;

关键词：

BAND-GAP EXTENSION; FREQUENCY-RANGE; ENHANCEMENT; TRANSMISSION;

D O I：

10.2528/PIER11072010

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：

A method to enlarge the omnidirectional photonic bandgaps (PBGs) has been presented in the one-dimensional photonic crystals by sandwiching a superconductor layer between two dielectric materials to form a one-dimensional ternary periodic structure. The angle- and thickness-dependence of these PBGs have been investigated in detail, and then the thermally-tunability of these omnidirectional PBGs by controlling external temperature of the superconductor is discussed. It is shown that these omnidirectional PBGs can be extended markedly in the one-dimensional ternary photonic crystal and the gap width or the wavelength range can also be tuned by varying external temperature.

引用

页码：17 / 34

页数：18

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