Effect of dispersion on omnidirectional reflection band in zinc oxide-based one-dimensional photonic crystal heterostructures

被引：5
|
作者：
Chacko, Vinod [1 ]
Bansal, Sonia [1 ]
Hafiz, Aurangzeb Khurram [2 ]
机构：
[1] YMCA Univ Sci & Technol, Dept Appl Sci & Humanities, Faridabad, Haryana, India
[2] Jamia Millia Islamia, Ctr Nanosci & Nanotechnol, New Delhi, India
来源：
JOURNAL OF NANOPHOTONICS | 2018年 / 12卷 / 02期
关键词：
omnidirectional reflector; 1DPC; material dispersion in 1DPC; optical transmission in zinc oxide 1DPC; SPONTANEOUS EMISSION; FREQUENCY RANGES; THIN-FILM; ZNO FILMS; GAP; DESIGN; ENLARGEMENT; INDEX; PARAMETERS;
D O I：
10.1117/1.JNP.12.026012
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report a numerical study of the effect of material dispersion on the omnidirectional reflectors (ODR) properties in the case of one-dimensional photonic crystal structures consisting of alternate layers of zinc oxide as material of high refractive index and SiO2 as material of low refractive index. The interplay of dispersion and structural parameters on the ODR properties of the structure of interest has been analyzed. Taking into account the material dispersion properties, shift in the wavelength range for ODR from (1079 - 1158 nm) to (1133 - 1103 nm) is observed. This shows the narrowing of the bandwidth for ODR from 79 to 30 nm as a result of material dispersion. The wavelength range of interest is close to optical communication wavelengths and is useful in many optical device applications. (C) 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：16
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