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首页> 外文期刊>Physics of plasmas >Multichannel tunable omnidirectional photonic band gaps of 1D ternary photonic crystal containing magnetized cold plasma
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Multichannel tunable omnidirectional photonic band gaps of 1D ternary photonic crystal containing magnetized cold plasma

机译：含有磁化冷等离子体的1D三元光子晶体的多通道可调全向光子间隙

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摘要

By using the transfer matrix method, theoretical investigations have been carried out in the microwave region to study the reflection properties of multichannel tunable omnidirectional photonic bandgaps (OPBGs) based on the magneto-optic Faraday effect. The proposed one dimensional ternary plasma photonic crystal consists of alternate layers of quartz, magnetized cold plasma (MCP), and air. In the absence of an external magnetic field, the proposed structure possesses two OPBGs induced by Bragg scattering and is strongly dependent on the incident angle, the polarization of the incident light, and the lattice constant unlike to the single-negative gap and zero-(n) over bar gap. Next, the reflection properties of OPBGs have been made tunable by the application of external magnetic field under right hand and left hand polarization configurations. The results of this manuscript may be utilized for the development of a new kind of tunable omnidirectional band stop filter with ability to completely stop single to multiple bands (called channels) of microwave frequencies in the presence of external static magnetic field under left-hand polarization and right-hand polarization configurations, respectively. Moreover, outcomes of this study open a promising way to design tunable magneto-optical devices, omnidirectional total reflectors, and planar wave-guides of high Q microcavities as a result of evanescent fields in the MCP layer to allow propagation of light. Published by AIP Publishing.
机译：通过使用传递矩阵方法，在微波区域中进行了理论研究，以研究基于磁光法拉第效应的多通道可调全向光子带隙（OPBG）的反射特性。所提出的一维三元等离子体光子晶体由石英，磁化冷等离子体（MCP）和空气的交替层组成。在没有外部磁场的情况下，所提出的结构具有由布拉格散射引起的两个OPBG，并且强烈地取决于入射角，入射光的偏振，并且晶格不变与单负差间隙不同 - （ n）在酒吧差距上。接下来，通过在右手和左手偏振配置下应用外部磁场来调节OPBG的反射特性。该稿件的结果可以用于开发一种新型可调的全向频带停止滤波器，其能够在左侧极化下在存在外部静态磁场的情况下完全停止微波频率的多条带（称为通道）分别和右侧偏振配置。此外，该研究的结果开辟了设计可调磁光装置，全向量总反射器和高Q微腔的平面波导的有希望的方式，因为MCP层中的渐变场以允许光传播。通过AIP发布发布。

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