| 基于粒子群算法的一维光子晶体滤波器性能优化 |
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| 引用本文： | 李棚,项莉萍,张明存,陶宏志.基于粒子群算法的一维光子晶体滤波器性能优化[J].安庆师范学院学报(自然科学版),2015(1):43-45,75. |
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| 作者姓名： | 李棚 项莉萍 张明存 陶宏志 |
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| 作者单位： | 六安职业技术学院，安徽 六安 237100;中国科学技术大学，安徽 合肥230009;六安职业技术学院,安徽 六安,237100 |
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| 基金项目： | 安徽省教育厅自然科学基金项目，安徽省高等学校专业改革项目(2012jyxm668)。 |
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| 摘 要： | 在一维光子晶体带隙内引入镜像缺陷,能够在特定位置形成一个尖锐的透射峰。为了获得1 550 nm中心波长处的窄带透射和高的品质因数,采用粒子群优化算法(PSO)对介质厚度进行优化,当介质层厚度d1=139 nm,d2=222 nm时,在1 550 nm波长处,获得0.95的透射率和135的品质因数。
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| 关 键 词： | 光子晶体缺陷 粒子群优化算法 窄带滤波器 品质因数 |
Performance Optimization of One-dimensional Photonic Crystal Filter Based on Particle Swarm Optimization |
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| LI Peng,XIANG Li-ping,ZHANG Ming-cun,TAO Hong-zhi.Performance Optimization of One-dimensional Photonic Crystal Filter Based on Particle Swarm Optimization[J].Journal of Anqing Teachers College(Natural Science Edition),2015(1):43-45,75. |
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| Authors: | LI Peng XIANG Li-ping ZHANG Ming-cun TAO Hong-zhi |
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| Institution: | LI Peng;XIANG Li-ping;ZHANG Ming-cun;TAO Hong-zhi;Lu’an Vocation Technology College;University of Science and Technology of China; |
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| Abstract: | By introducing the mirroring defects on a one-dimensional photonic bandgap, a sharp transmission peak can be formed in a specific location.In order to obtain narrow-band transmission and high quality factor at the center wavelength of 1550 nm, using particle swarm optimization (PSO) on dielectric thickness to optimize the thickness of the dielectric layer d1 =139 nm, d2 =222 nm , the wavelength at 1550nm, the quality factor of 135 and the transmissivity of 0.95 are obtained. |
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| Keywords: | defects of photonic crystal particle swarm optimization narrowband filters the quality factor |
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