Kang Ming, Chen Jing, Cui Hai-Xu, Li Yongnan, Wang Hui-Tian
School of Physics and Key Laboratory of Weak Light Nonlinear Photonics, Nankai University, Tianjin, China.
Opt Express. 2011 Apr 25;19(9):8347-56. doi: 10.1364/OE.19.008347.
Metamaterials have shown to support the intriguing phenomenon of asymmetric electromagnetic transmission in the opposite propagation directions, for both circular and linear polarizations. In the present article, we propose a criterion on the relationship among the elements of transmission matrix, which allows asymmetrical transmission for linearly polarized electromagnetic radiation only while the reciprocal transmission for circularly one. Asymmetric hybridized metamaterials are shown to satisfy this criterion. The influence from the rotation of the sample around the radiation propagation direction is discussed. A special structure design is proposed, and its characteristics are analyzed by using numerical simulation.
超材料已被证明支持在相反传播方向上针对圆偏振和线偏振的有趣的非对称电磁传输现象。在本文中，我们提出了一个关于传输矩阵元素之间关系的准则，该准则仅允许线偏振电磁辐射的非对称传输，而圆偏振电磁辐射则是互易传输。结果表明，非对称混合超材料满足该准则。讨论了样品围绕辐射传播方向旋转的影响。提出了一种特殊的结构设计，并通过数值模拟分析了其特性。
