光波在三维光子晶体中定域化特性的数值研究

J4 ›› 2012, Vol. 29 ›› Issue (4): 476-480.

光波在三维光子晶体中定域化特性的数值研究

徐庆君

枣庄学院光电工程学院, 山东枣庄 277160

收稿日期:2011-07-01 修回日期:2011-08-16 出版日期:2012-07-28 发布日期:2012-07-01
通讯作者: 徐庆君山东人，副教授，从事量子光学与固体光散射研究。 E-mail:xqjwl@126.com
基金资助:
山东省优秀中青年科学家科研奖励基金项目(2008BS01021);枣庄市科技攻关计划项目(201031-2); 2009年枣庄学院科技计划项目

Localization properties of optical waves through three dimensional photonic crystals

XU Qing-jun

College of Opto-electronic Engineering, Zaozhuang Univeristy, Zaozhuang 277160, China

Received:2011-07-01 Revised:2011-08-16 Published:2012-07-28 Online:2012-07-01

摘要/Abstract

摘要：

基于Mie散射理论和低浓度近似，对锗蛋白石类光子晶体中的光子定域化现象进行了研究，数值揭示了入射波长、散射体大小和基质折射率对定域化参量的影响规律。结果表明，在散射体浓度为10%，相对折射率大于3.8，在中红外区3um~12um范围内出现了理想的定域化现象；随着入射波长的增大，定域化区所对应的散射体半径增大，定域化参量减小；同时，基质折射率的增大导致退定域化现象。

关键词: 量子光学, 光子晶体, 光子定域化, Mie散射, Ge材料

Abstract:

Based on the Mie scattering theory and the low density approximation, the photonic localization of opal photonic crystal constituted by Ge was studied. The influence laws between the incidence wavelength, the size of the scatterer, the refractive index of medium and localization parameters were numerically revealed. The results show that the ideal photonic localization phenomenon appears in middle infrared band (3um~12um) under the conditions of the scatterer’ density of 10% and the relative refractive index greater than 3.8; with the increase of incidence wavelength, the localization area shifts to geater scatterer’s radius, and the localization parameter decreases. Meanwhile, with the increase of medium’s refractive index, the localization phenomena become weak.

Key words: quantum optics, photonic crystal, photonic localization, Mie scattering, Ge material

中图分类号:

O434.3
O734

徐庆君. 光波在三维光子晶体中定域化特性的数值研究[J]. J4, 2012, 29(4): 476-480.

XU Qing-jun. Localization properties of optical waves through three dimensional photonic crystals[J]. J4, 2012, 29(4): 476-480.

参考文献

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